Long time lurker here, so here is how I pick an online casino these days. After a few bad experiences I learned to read the small print first.
Licence comes first for me: see which authority is listed in the footer, and whether they actually accept players from your country. Then payments: I want at least one fast e-wallet option, and there should be no weird fees on cashouts.
Bonuses are the tricky part. Read the wagering and the max bet rule, and live tables often do not count at all. A good recent review that covers all of this can be found here [url=https://dreevoo.com/profile_info.php?pid=2485190]Gamblezen[/url] before you deposit anything.
Most of my sessions are on mobile, so I check how the lobby works on a small screen. Ask support one simple question first: slow or scripted answers usually mean trouble later.
Hope this helps someone. Treat it as entertainment, not income.