The most glaring downside is that when you lease items, the lessor retains full ownership of the specific, individual items on lease. Use of the equipment is contingent upon monthly payments, which are of course obligatory and mandated by the lease agreement.
Also, if not just as glaring, is the downside that you must sign a contractual agreement with an outside company or partner in which unforeseen accidents, such as natural disasters or extreme drops in the market, which is most common with seasonal businesses or start-up businesses, might make the contract unrealistic and unworkable.
The very nature of supply and demand is a major downside to lease financing. Often times a business will lease equipment that was needed and then a few weeks later becomes unnecessary or the business decides to move in a new direction. Now even though this is not as bad as owning an obsolete or unnecessary item, it is still an unwanted expenditure. This unfortunate aspect of business leaves leasing as an always present question mark on many individuals minds when they try to decide or plan for the future of their business.