You need to have access to some cash get going. Now you can borrow this cash off credit cards, loans etc. as you need to be able to pay for surveys and sourcing fees etc. however you can get this all back and more with cashback.
I have raised capital in every way possible:
borrow of friends and family loans, overdrafts, credit cards remortgaging my whole portfolio remortgaging my own home! Selling off my own assets
There are some great 0% credit card offers out there now. just search 0% credit cards in google and you will get a whole load of cards available.