Why Payments Are the Real Product
Building the game is a week of work. Building a payments layer that accepts money reliably, holds balances correctly, handles failed transfers and reconciles everything is months, and it never stops needing attention. That imbalance explains most of what players experience: the rounds always work smoothly, and the complaints are almost entirely about deposits that landed instantly and withdrawals that did not.
It also explains why the small-withdrawal test is so informative. It exercises the part of the operation that is expensive to do properly, which is precisely the part a thin operator will have skimped on.
Keeping a Balance Is the Mistake
The habit worth building is withdrawing regularly rather than accumulating, even in small amounts and even when it feels inefficient. A balance left on a platform is exposed to two risks that have nothing to do with the game: the operator disappearing, and your own inclination to play it back rather than move it. Both are avoided by the same action.
For how much of that balance the game itself will take over an hour, see the payout arithmetic. For stake sizing and session limits that keep the numbers small, read the home page.