A second Austin condo project has announced plans to close out its condo inventory through a one-day auction. Bel Air, an 83-unit condo project that opened on South Congress Avenue more than two years ago, has announced plans to sell the remaining 25 units on August 9. This is the second large condo auction in the Austin market after 20 units were sold in Brazos Place in a packed 90-minute auction on May 17.Bidding for Bel Air units will start at $90,000 for the least expensive unit, originally priced at $273,000, and will rise . . .