With money being tight or just wanting to sell items quick, fast, and in a hurry is easy to do on your blog. Put a PayPal button on your site with a photo and you're set.
Set up a merchant account which takes 2-3 days. Pick out your button, set tracking, quantity, and other details. Get the code!
Come back to blogger with your code. Click Design way up there at the top. Click on Add a Gadget on your side bar or wherever you want it. Click on the + for HTML/Java Script. Add a title and paste the code into the Content area. Click Save.
If you use Wordpress, then let us know how you do it!