I don't have any specifics but as someone who is into tech, accounting/finance, and a consultant to grow businesses.

- The market is in a little bit of a lull right now (buyers market), its a great time to buy, but slower time to sell (my primary business is flipping houses) I can supplement my flipping business by providing project management services/consulting, helping investors find discounted properties, etc. etc.

And real lenders don’t troll for business by texting.

Looking for some guidance on resources of how to begin analysis or how to build a business of this sort.

Also, for those whose BUSINESS (as opposed to just investment) is STR, they can scale successfully while their experience and knowledge of the industry may allow them the opportunity to uncover and recognize those few opportunities that will provide a much higher than market risk adjusted ROI. 

Don't quote me on that, but it's easy to look up the IRS regulations.I recently had a conversation with somebody else who is planning to start an STR business. 

When you find good ones, try to always keep them busy. 

Over the years, I’ve learned that offering tiered returns can be a win-win strategy—it rewards investors for their level of commitment while helping us maintain flexibility in our business.

As mentioned by @Chris Mason, Bridge Loans: These short-term loans can provide immediate financing until more traditional financing becomes available or until the property stabilizes and becomes more attractive to lenders.Interest rates and stipulations may be a pain.Out of the box here and requires a few more research, SBA Loans: Small Business Administration loans can be an option, especially the SBA 7(a) loan program, which can be used for hotel acquisitions.I heard someone  mention - Mezzanine Financing: it involves a combination of debt and equity financing, which might appeal to some investors looking for higher returns.

I live in Boston, but I was advised to start my real estate business elsewhere as Boston is very competitive.