Mostly a reader, rarely post, so here is how I pick an online casino these days. After trying maybe a dozen sites I stopped going by ads alone.
Licence comes first for me: see which authority is listed in the footer, and whether they actually accept players from your country. Next come deposits and withdrawals: card, e-wallets and bank transfer should all be there, and cashout times should be listed up front.
The welcome offer is where most people get caught. Wagering of 35x or 40x is normal, and some games count less towards it. A useful overview with bonus rules, app info and payment methods can be found here Trino Casino before you deposit anything.
I play almost only on my phone, and if there is an app I make sure it comes from the official page. Ask support one simple question first: a real human reply beats a bot loop.
Hope this helps someone. Only play with money you can afford to lose.