. . you can find many free website layouts/templates/stylesheets/whatever by doing a Google search. Snag is free ones tend to contain more-or-less subtle advertising, & very much tend not to be adapted to ecommerce.
[obv because that's where the money is in web-design]
With website design, first priority is working out *exactly* how you want the thing to function - actually making 'em is surprisingly easy & can be done with free software [
Nvu would be a good example: suggest you trawl this site to see what can be done].