Find one that does not have a high-priced long-term monthly contract, flexible pricing, and excellent customer service.

And NEVER put a property in an S Corp.It's like getting in the weeds and creating LLCs to start a business...just go get a customer to pay you money to do something and figure the rest out as you go.  

We use a custom lease that has evolved over more than a decade to protect us and the property owners.

Unlike traditional bank loans, private lenders offer quicker approval, fewer requirements, and the ability to customize loan terms to fit the project.

To expand, @Ben Whittington, Dennis Doss and Anthony Geraci’s firms can prepare a customized set of loan docs for you in any state. 

There were issues syncing the reservation calendar, and it is nearly impossible to reach a customer support representative with Booking.com as an individual STR owner.

Find one that can be custom to your needs, has flexible pricing, no long-term, high-cost memberships, and excellent customer services to determine how to best market to your leads.

Many companies will be lazy/cut costs after they have a large enough customer base.Currently Dataskip.io is the best. 

The question comes with various customized details but it's the same answer over-n-over again, to such a degree that answer-burn becomes a very real thing. 

As a bulk-delivery service, we have to protect the deliverability of all our customers.