Hi Itsax,
First of all, welcome! Glad to have you here.
You are talking about non-free offers right? I understand those will take a while..I only do free offers - the ones you fill out endless forms, page after page...I only use my disposable emails for those offers..

Cashcrate credits those pretty quickly, usually 1-2 days.
I simply don't have time and the engry to keep track of those offers, I did one about 3 years ago, it was a nightmare. I think to do those non-free offers you have to be extremely organized.
I know some people do make pretty good money doing paid offers, but I can't, not for me, I prefer surveys.