How viable and profitable is the industry. We know the pros, what are the cons.
I mean, it's obviously very profitable, but it all depends on perspective as well. You're not going to be Jeff Bezos rich from running a casino.
The main cons are that you're always looking out for exploits and fraud. The fraud part is usually less of a problem for crypto-only sites, but if you have cash deposits on your site the fraud is a huge problem.
The exploit part will always be a concern that you have to look out for. Most sites handle this part by having max withdrawals with manual approvement is needed.
And in addition to my previous, how is your enterprise coping with government taxes in your country of abode, assuming gambling is legal.
Banking within the gambling industry is the worst experience you will ever have. Paying taxes is of course easy, but the part of having bank accounts is an overall awful experience.