Hi thereyouare, Here is what I've found out about PL bidding and that I've decided to purchase via National Car rental. We talked about PL suggested $23/day to start bidding for my car rental at Buffalo ariport on mar 13-14. It turns out, since this is my 1st try at car rental, I didn't realize there's a "under-age" cost. I'm only 24. So I tried as you suggested with a 1st bid of $20 on a Full size car. A msg came up, saying "this will likely not be accepted since underage charges more...," I ignored it thinking it could be just a trap and of course I didn't get that. Then I stumpled across some guy's post on regarding some rental coupons with NO ADDITIONAL under-age fees, and I managed to find cheapest rental from National to be around $42.97 for a day.. I decided to try PL bidding again to see if it can beat National's price. I thought the bid price should be a bit lower than National's, otherwise what's the point. I tried $30 bid and total came up to $36.95 after PL's ridiculous service charge, and that didn't go through either. The conclusion is: I went with National and did not pay underage fees. I don't think I lost out because Priceline wouldn't have been able to offer it cheaper anyways. I just don't understand why rental prices on Mon, Mar 13 is so expensive, even for regular-age drivers. Cheapest I could find as in my earlier posts, was around $46/day. Thanks very much for your time and I luv this forum !! p.s. I was trying to post the link where I found the coupons for National but the forum posting didn't allow me to. Are we not encouraged to share coupon info? Jeff