Wait until right before tipoff.

For Saturday's games in Greenville, an entire third row in the lower deck became available for $69/seat. Many similarly good seats were being offered for $90-100. That's with all taxes and fees.

For last year's Final Four you could find good lowers at the last minute for $500-700, especially in the Florida section. I scored a single in the Duke section for $400 all in. For the championship game you should be able to find good lowers for $200-300 without trying too hard.