Long time lurker here, so here is how I pick an online casino these days. After getting burned once or twice I stopped trusting the big banners.
First thing is the licence: check who regulates the site, and whether they actually accept players from your country. Next come deposits and withdrawals: crypto is a plus but not a must, and cashout times should be listed up front.
Never judge a site by the bonus alone. Wagering of 35x or 40x is normal, and live tables often do not count at all. A useful overview with bonus rules, app info and payment methods is here [url=https://motoride.sk/?login=PeterNovakca6d]bonus at Rolletto[/url] and it saved me some time.
Most of my sessions are on mobile, and a good site loads fast and does not log you out every five minutes. Support matters too: slow or scripted answers usually mean trouble later.
That is about it. Treat it as entertainment, not income.