Need advice before my first deposit at Beef Casino

Thinking about signing up at Beef Casino this week, and honestly I'm a bit nervous since it would be my first time playing online at all. The brand seems to be pretty well known in a handful of countries, including the UK, Canada and Germany, and it holds a Curaçao licence, which is about all I've got to go on so far.

Before putting any real money in, I'd like to hear from people who've been around longer than me. What would you check first: the terms on bonuses, the withdrawal rules, the verification steps… something else I wouldn't think of as a beginner?

And if you've already played there, what surprised you once you got past the first deposit, good or annoying?