If you are looking to make a lot of money in a field that few people dare to dive into then you should look at buying and reselling restaurant equipment.
You can go out to local auctions or store closeouts and purchase used restaurant equipment for pennies on the dollar. You can find items such as Hobart Mixers or Beverage Air Coolers and steal them away for a couple of hundred bucks. You will need about a thousand to get a decent start in the business, but you might look for an investor to really give you business a huge push. Once you have purchased your first lot of items from your local auction then it is time to clean up the equipment and then test it. A little elbow grease will go a long way, and you can increase the worth of your product just by taking the clean the grease off of it. Then plug the item in and check to see if it works, if it does you will pull in double to triple what you paid for, and if it does not work then you can just sell it broke, and still make a couple of bucks off the item.
The biggest problem with selling restaurant equipment is space. You need to move the equipment fast enough so that you are not wasting space, and you are...