How to Negotiate a Long Due Diligence Period to Find a Sub Tenant

"I want him to have full ability to sub lease out half of the space. And the landlord was fine, which part of it is like, dude, this landlord is a fucking idiot," he says. "We ended up finding a tenant for the 3800 square feet and we upcharged it." The gym owner now has an 8,000-square-foot spot in his building that's covered by rent.