Off hand, I would suggest a small test PPC (pay per click) campaign on google adwords (
http://adwords.google.com ). This is easy enough to start yourself. PPC can bring almost immediate results. If your test campaign works then you have a lot of hard work ahead of you expanding your keywords within google and then starting similiar campaigns on the other major search engines.
Another good idea might be to start selling on Ebay. Opening an "Ebay Store" is relatively easy and may be well worth your while. However, there is massive competition on ebay for most of your stated items.
Both of the above will cost you but the amounts will be relatively small to start with.
Could we perhaps get a look at the website itself?
What is the size of your budget?
Where do you hope to find most of your customers? UK? USA? other...