BTW, these are the bid increment amounts, which increase as the auction price goes higher:
Here is how increments are determined:
Current Price Bid Increment
$ 0.01 - $ 0.99 $ 0.05
$ 1.00 - $ 4.99 $ 0.25
$ 5.00 - $ 24.99 $ 0.50
$ 25.00 - $ 99.99 $ 1.00
$ 100.00 - $ 249.99 $ 2.50
$ 250.00 - $ 499.99 $ 5.00
$ 500.00 - $ 999.99 $ 10.00
$ 1000.00 - $ 2499.99 $ 25.00
$ 2500.00 - $ 4999.99 $ 50.00
$ 5000.00 and up $ 100.00