If the amount you are willing to invest in your website is nothing, please do not do one!
You are proposing to run a business. I suspect you will want a fair market rate for all your products. Afford the same courtesy to the website building folks.
Best of luck but you may find that you experience the same future problems that others have done using this service. You must understand that there ain't no such thing as a free lunch.I went with GBBO ...
Aaaaaaaaaggggrrrhhh!!!!ended up using http://www.gbbo.co.uk/