Unless I'm mistaken, these are not just small potential businesses. Some of these have HUGE profit potential.
Think about how often you can rent out some of these items. If you live in a relatively well populated area, there should be regular demand for most things on this list!
Can you give us more of a "hook" on the main page? the real benefit? Many who are already looking for your services will already understand, but some won't realize that they need it until they visit your site, and you want to sell them immediately.