eBay and Craigslist finds

because-

1. you may lose out on something by bidding too little, too late
   
2. (more likely) you may end up bidding too much.
   either way- you're just as likely to get a bargain if you bid early- as the way ebay works means that bids up to your max amount will be entered automatically.
   and less likely to be pissed with a loss.
   
   

each to their own, but last minute bidding tends to, in my experience and from the number of posts on here, lead to heartache.