There's a lot of risks here for the buyer. Mostly risks that the seller fails to meet his side of the terms for any number of reasons. As the term becomes sho

There's a lot of risks here for the buyer. Mostly risks that the seller fails to meet his side of the terms for any number of reasons. As the term becomes shorter, these risks are reduced, but then this contract kind of reduces to a retainer as mentioned below. The retainer is much simpler and probably better for both sides.