During the last decade, the Austin apartment rental market has been the jewel of Texas. With rapid population growth and an affluent market, rents continued to rise year after year as new units hit the market. This is quickly changing.Over the last couple of months, the AMLI apartments downtown have been offering tenants who renew an unprecedented 30% discount. This is strong evidence that the downtown rental market -- with many new units arriving this year -- is going to see a new level of competition for tenants. This is good news for anyone who wants to live downtown as lower . . .