It’s time to renew your lease. Are you ready to negotiate? If you’re like many practice owners, the answer is no. “Lease renewals are the No. 1 transaction in all of commercial real estate—for every new lease, there are 20 or 30 lease renewals happening—but it is the transaction that often receives the least amount of attention,” says Colin Carr, founder and CEO of CARR Healthcare, a nationwide commercial tenant brokerage based in Denver.