As of today, Sharpei gives you the possibility to offer subscription plans for your products, as well as subscriptions for consumables through Shopify.
Lease-to-own:
The client chooses how many months they want to rent the product for. In this case, the easiest way of doing this is using a month selector. The most common plans are 1, 3, 6, 12 & 24. The payments are usually done monthly, and the client must wait for the rental period to finish in order to return the product.