Yes; their right to do so might be the very thing that holds the rent down in the first place. If you're a landlord considering making a deal for a good tenant

Yes; their right to do so might be the very thing that holds the rent down in the first place. If you're a landlord considering making a deal for a good tenant in a slump year, or making a deal to keep a good tenant despite a chance to capitalize on rising market rates, wouldn't you be more likely go for it if you know you have the option of changing your mind a year later? If you're instead making a possibly decades-long commitment, are you not much more likely to squeeze out every penny on that crucial day of initial lease-signing?