If we talk about mrai, why should you work for someone else? you can do yourself and can profit more. Do not believe it if someone said that is difficult to sell 
yes indeed mate if we are talking about Mrai OP should get his own account wallet so no need to to work for someone else might have more earnings but if OP is only looking for captcha zodiac can help him that member also have decent offer you can see his post from service section. good luck OP