Actually it turns to be rather difficult for you to find stuff to sell on eBay after clearing your garage. And what you should do is to change the way of making money.
If you do some survey carefully, you could find that many power-sellers on eBay make money from wholesaler. That is to say, they buy something at wholesale prices and then sell at retail. That's it!

And there are several things you need to do first.
Above all, you need to do some research in the Internet for details of what products are available from various wholesalers at which prices. You can compare prices to find whether the wholesaler will drop ship the product etc. If you are interested in some products, you can check to see how much they're being sold for on eBay and other websites on the Internet so you can maximize the possibility of making a healthy profit.
Generally speaking, people who make money through wholesale on eBay aren't doing anything new. They're just doing what people have done since the advent of currency, that is, to buy products at one price, then putting their mark upon them and selling them at a healthy profit. The benefit of doing this on eBay is that you don't need a shop or a website. EBay acts as a front to your business and does so for free.

In addition, there is still a fair bit of work to start with before you run begin to make money. But as time goes by, you will build up relationships with good reliable wholesalers and then all the process will be much smooth.
But anyway, you'd better work out the product life cycle of the products you are selling, so you can keep your profits up. And in this time, Internet will also assist you in this market research. Just keep in mind that it is a good way to judge what kind of product you should sell and make money by paying attention to what other people are selling on eBay at which prices. Good luck!