The fact is there are more money and guests than ever in the STR world and this is attracting bigger players who will crash existing hosts if they don't adapt to the new ecosystem. 

While the terms on the assumable loan and seller carry are attractive, confirming NOI, expenses, and lender terms is essential to ensure it’s a viable and profitable deal.

For example, unsanitary conditions that will attract pests.

Attractive digital marketing fliers, 3d tours, professional tours, rent specials, and competitive pricing all help too!

In some very attractive markets like coastal cities I can see it being worth it not to rent the unit or rent it only under very limited circumstances in the low season because the high season is just too lucrative to allow anything to affect those bookings.

You want to transplant in the Rainy season otherwise they will die.What makes these Attractive and Unattractive are. 

@Michael NguyenA lot of it depends on your market and what is more available and attractive. 

Offering the property on a lease-to-own basis might attract buyers who can’t immediately qualify for a mortgage.

For that time frame it would not make sense to turn it into a STR as there won't be enough time to establish a history to attract good vacationers.

This sounds like a REALTOR attempting to attract buyers.