ProblemUdhaar
Match the udhaar to the day he gets paid
A daily-wage customer and a salaried one cannot be given the same khata. Match the credit to how a person earns and most collection trouble stops.

Ask one question before you open a page for anybody: when does money reach your hand. A man paid every evening, a man paid on Friday and a man paid at month end need three different arrangements. Give all three the same khata and two of them will look like bad customers.
Three customers, one arrangement, two problems
A mason works on daily wages. Some days there is work, some days there is not, and the money comes to him in small amounts almost every evening.
A shop assistant down the road is paid once a month. For twenty-five days he has almost nothing in his pocket and then, on one day, he has all of it at once.
A vegetable seller takes cash all day, every day, but never much of it, and what he has in the evening is already committed to tomorrow's buying.
You give all three the same thing: an open page and a vague understanding that they will pay when they can. The month ends and only one of them has cleared. You conclude that two of them are unreliable. Neither is. You simply asked all three to pay in a rhythm that only suits one of them.
Why the mismatch feels like dishonesty
A person pays out of the money in his hand at that moment, not out of what he earns over the month. That distinction is the whole subject.
Go to the daily-wage man on the twenty-eighth and ask for a large amount and he genuinely does not have it, because his money arrives in small pieces and leaves in small pieces. Go to him on any evening and ask for a small amount and he almost always has it. Same man, same income, two completely different answers, and only one of them makes him look honest.
Now reverse it. Ask the salaried man for a small amount every few days and you will annoy him and get nothing, because his pocket is empty until his day. Ask him once, on the right day, and the whole balance comes at once.
This is why so many shopkeepers describe the same customer as unreliable while another shop describes him as excellent. The customer did not change. The timing did.
What the mismatch costs
The cost of guessing is not dramatic, which is why it survives for years.
Say a daily-wage customer is asked once a month
The important row is the last one. Nothing in that scenario involved a dishonest person, a dispute or a bad debt. It was one page collected on the wrong day, month after month, and it produced exactly the same shape as a customer who does not want to pay.
Ask the one question, and write the answer down
The question is short and nobody minds it, because it does not sound like an assessment. It sounds like planning.
"When does your money usually come in?"
Ask it when you open the page, not when you are chasing a balance. At the opening it is a normal, friendly question about how to arrange things. During a chase it sounds like an interrogation, and you will get a vague answer designed to end the conversation.
Then write the answer beside his name, because you will not remember it for forty customers. Wasoolo lets you keep a note and a due date on the customer's own page, which turns the answer into something that comes back to you on the right day instead of something you knew once. On paper, two words at the top of his page do the same job.
Four rhythms, four arrangements
Read the third column of that table as the whole method. You are not deciding how much to trust each man. You are deciding when to ask, how often, and in what size, so that the asking lands when the money is there.
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Size the credit to the gap, not to the person
Once you know the rhythm, the amount follows from it almost automatically, and it stops being a matter of feeling.
The rule is simple: the balance should never grow past what he can clear out of one normal payment. For the daily man, that means a small page cleared often. For the monthly man, it means a page that may safely grow through the month and then goes to zero on his day.
That single rule prevents the disaster that ruins these arrangements, which is a balance quietly growing past the size of the income that has to clear it. Once a page is bigger than one payday, it can only be cleared in pieces, and pieces are how a balance becomes permanent. That is the machinery behind the customer who always pays half, and it usually starts as a timing problem rather than a character problem.
There is a fuller method for choosing the number itself in how much udhaar to give and to whom. The rhythm decides the shape; that decides the size.
Seasonal earners need a different shape entirely
Some customers do not have a payday at all. A farmer, a contractor, a man whose work runs in bursts: money arrives in one large lump a few times a year and almost nothing arrives in between.
For these customers, small regular collection is impossible and pretending otherwise wastes everybody's effort. What works is an agreed date tied to the lump, a limit that is set for the whole gap rather than for a week, and complete honesty about the fact that the page will sit for months.
Two things make this safe rather than reckless. First, the limit must be one you can genuinely do without for that whole period, because you are effectively lending your stock money for a season. Second, both of you should say out loud, at the start, what the total will be by the settlement date and what happens if the harvest or the contract is bad. A shop that has planned for the bad version does not panic when it arrives, and there is more on surviving these swings in the season when your udhaar doubles.
Move the reminder, not the relationship
The last piece is the easiest and it does most of the work.
Set your asking to his rhythm and then be dull about it. A daily man hears his balance every second or third evening as part of handing over the goods. A weekly man hears it once, on the same day each week. A monthly man hears it once, two days before his pay, and then again on the day.
Nothing about this is pressure and none of it needs a raised voice. It is the same number said at the moment the person can act on it, which is the difference between a request and a nuisance. A reminder that reaches the salaried man on the third of the month is useful. The same words on the twentieth are noise, and noise is what people learn to ignore.
Do this for a couple of cycles and you will find that most of what you thought were bad customers were badly timed ones, and that the genuinely difficult few are now much easier to see, because the timing excuse has been removed from the conversation. What remains after that is a different problem, handled in recovering udhaar without losing the customer.
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Common questions
Is it rude to ask a customer when he gets paid?
Not if you ask at the right moment and for the right reason. At the point of opening a page it is an ordinary planning question and almost everybody answers it without a thought. What feels rude is asking it in the middle of a chase, because then it sounds like you are testing his story rather than arranging a system. Ask early, once, in a normal voice, and it never comes up again.
What if he does not know, or his work is irregular?
Then that is the answer, and it is a useful one. An irregular earner should be given a small page cleared often rather than a large one cleared rarely, because a small balance survives a bad week and a large one does not. Agree that he pays something whenever there is a good day, and keep the limit low enough that a run of bad days never buries him.
Should I write the payday on his page where he can see it?
Yes, and it helps more than you expect. A note saying you settle on a particular day makes the arrangement a shared plan rather than your private expectation. It also removes the awkwardness from asking, because you are pointing at something both of you agreed to instead of making a fresh demand each time.
He gets paid monthly but spends it all in the first week. What then?
Move your ask to the day itself rather than a few days later, and tell him that is what you are doing so that it is not a surprise. If it still fails, the honest conclusion is that his income does not stretch to a monthly balance at all, and the fix is a smaller page cleared weekly. That is not a punishment; it is matching the arrangement to what actually reaches his hand.
Does this mean I should treat customers differently?
You should give them the same terms and collect on different days, which is not the same thing as unequal treatment. The limit rule is identical for everybody: never more than one normal payment can clear. What changes is the calendar, and no customer has ever objected to being asked on the day that is easiest for him.
How do I keep track of forty customers on four different rhythms?
Not from memory, which is the honest answer. Group them rather than tracking them one by one: a daily group you speak to as they come in, a weekly group settled on one fixed day, and a monthly group with dates written down. Three groups are manageable on paper and easier still if the dates sit on each customer's page where they surface by themselves.