quick question: have you tested these sites? in case your answer is "yes" I would like to know:
1 - what was the capital you used?
2 - what is your daily return?
until recently i tried Arbitrage with an altcoin, but the withdrawn fee was high and days later the exchange deactivated the altcoin withdrawn. and from what i saw this problem of destabilizing the withdrawn of altcoins Is a big obstacle to do Arbitrage