i <3 Beta rigs, always renting there, mostly for altcoins for staking usually
pools can be tricky, F2Pool has the PPS which is nice steady pay, but EEOBOT offers insta payouts and easy altcoin switching, but theres Antpool which can be quite profitable when the luck is good, same as classic Slush Pool. i suggest trying each, get low power rentals for longer times to really see some good averages and what works for YOU (start around 180 GH/s, for 3 days can be like 750,000 shatoshi, not much
it took me a week bouncing around there wasting paid time before i settled u will find your fav 