There are a number of posts on this site about negative experiences with 1-800 accountants.

.), Designing and Furnishing (amenities, design, theme, linens, etc), and operating (Insurance, Property management or self-management, Tech & Tools, Cleaners & handy people, etc)All of these could be covered depending on who you work with that can cover each topic. 

Most managers are on just these sites and perhaps their direct websites, but the others are realistically the primary source. 

You'll need to compare apples to apples. 40k seems like a low number to design, furnish and amenitize a competitive short term rental projected to do $100k. 

You can find all of the info here on this site and the internet in general. 

I get being annoyed by the constant adding of rules and regulations from the site, it bothers me as well, but frankly, anyone who wasn't already meeting these guidelines with their messaging shouldn't be hosting anyway.

Assets identified in this study include:Permanent Fixtures: windows, doors, bathroom fixturesStructural Components: Roof construction, drywall, wood framingBuilding systems: water heater, electrical distribution, HVAC, plumbingInterior Construction: Wood flooring, stairs, ceramic tileThis engineering-based cost segregation study included the following methodology:Physical Inspection through a site visitDocumentation review including architectural plans, accounting records and construction documentsA cost analysis which utilizes engineering principles in order to allocate costs to their applicable asset classificationsCalculation of the depreciation schedule using MACRSAs a reminder, bonus depreciation started to phase out in 2023.

There are some pay sites like thumbtack too.

ROBS designed to invest retirement funds into an active business.

I’m not sure if I can post a direct link but if you search the web for RI Real Estate Investor Group it should come right up.