I'm looking for a casino that would give constant cashback, not one-time promotions. I want at least part of the losses to return stably - even if it's small. Does anyone have experience with this?

Yes, that's why I chose 1xbet casino India They have a permanent cashback program - the percentage depends on the activity. For example, now they return 10% of my losses every week. The money comes automatically to the account, without any requests. You can use it as you want: continue playing or withdraw. It really saves when you're unlucky - at least a little, but it compensates.