In that regard Zapier offers an application called webhooks that has support with Lodgify, however there isn't for Rategain(Channel Manager). so I seeking towards finding ways to join both channel managers to benefit both of two worlds.

You'll want to get prequalified and know exactly what you can afford because the market is super competitive and you'll need to be ready to make offers quickly once you find something you like.

We actually leased from a vendor and offered as ancillary revenue to Guests.

Also, most decent STR property managers will be happy to offer projections for properties, or even realtors who do a lot of STR business as well. 

Multiple offers.

I know at one time VHDA was offering 40 year financing on mixed use projects.

Create & define your Buy Box and then find properties that fit.Make offers that make your numbers work, not the asking price.

A major Coast Guard base is being stood up in N chs on the river, the port facility is booming and expanding rapidly, and N Chs offers some of the only reasonably priced developable RE with short commuting distance of the peninsula, Mount P, and the beaches.

Make a lower offer that reflects more than the additional cost of that problem.

Just yesterday I had the same conversation with Jessica LaRusso at Seek Capital and they also offered me lines of credit through un-secured credit cards, offering 0% interest for 12-18 months.