The lessor has the risk of the future market value of the vehicle. You have the risk of the vehicle's market value when you trade or sell it. You can negotiate a higer mileage limit and pay a higher monthly payment. You will likely have to pay charges for exceeding those limits if you return the vehicle. You may drive as many miles as you want, but higher milage will lower the vehicle's trade-in or resale value.
Most leases limit wear to the vehicle during the lease term.
You will likely have to pay extra charges for exceeding those limits if you return the vehicle. There are no limits or charges for excessive wear to the vehicle, but excessive to the vehicle will lower the vehicle's trade-in or resale value. Ask for alternatives to advertised specials and other lease offerings. You may be responsible for excess mileage charges when you return the vehicle. Your lease agreement will tell you how many miles you can drive before you must pay for extra miles and how much the per-mile charge will be.