I'll be online Thurs., May 31 from 12:30 to 1:30 p.m. ET to answer your questions. By Jessica L. Anderson, Associate Editor May 30, 2012 These days, finding the right used car at an affordable price can be a tough task. Supply is tight and prices are at an all-time high, but that doesn't mean deals aren't out there. To find them, you might just need to do a little more research and learn how to bargain smart, which is why we're here to help.Want to find a used car that's both fuel-efficient and affordable? Need to know if the cars you're considering are reliable? Wondering what exactly are certified pre-owned vehicles? Senior editor Mark Solheim and I will be taking your questions and comments on Thurs., May 31, from 12:30 to 1:30 p.m. ET. We'll also be discussing our picks for the 10 Best Values in Used Cars. Join the chat Thursday or submit your questions now. Even if you don't want to ask a question, you'll be able to learn all about how to find a great deal on a used car by following along online. Also, be sure to check out my recent story on getting the best deal on a used car. Follow Jessica on Facebook and Twitter for more automotive tips.