Dimitris Karavokiris doesn't know how long he can hang on to the Shell station he leases on Sample Road in Coral Springs. When he bought the business from another dealer seven years ago, his monthly rent ranged from $3000 to $4000 after a sales-based rebate. When Shell eliminated the rebate program in 1998, his rent jumped to $6500. Last November Karavokiris was stunned to see his new rent figure: $20,000, rising to $25,000 per month in the third year of the deal. "I had to sign it," he says. "I had no choice. It was... More >>>