Greetings from someone who's learned that flashy banners don't tell the whole story! I'd start with licensing, clear withdrawal rules and the actual bonus conditions, not the size of the welcome offer. A useful starting point is
https://onlinecasinoer.org/ which can help when exploring casino-related information and comparing what matters. After that, I'd check payment options, game selection and customer support. If the terms read like a contract written during a thunderstorm, that's my cue to slow down. Set a firm spending limit too, because chasing losses is a rotten plan. Entertainment should stay entertainment, not become another bill to worry about.