I am a long time arbitrage/valuebettor. I open new accounts, because soon or later, they will limit the accounts.
About Betby clones, most of them pays well. I'm anyway withdrawing the money with not too much winnings, maybe 2-3k in each account. They are so so soft, this is the reason why i'm using them.
well, by admitting to being a long time arbitrage/valuebettor, you are basically also self admitting to breaking their terms.
as for not getting your deposit refunded, all i can say is you should have read the terms before playing.