I disagree with you regarding materials, however.

They must satisfy "material participation" test for their STRs to utilize the strategy.

However, the implementation of tariffs, or just the threat of tariffs, is likely to influence rates, by impacting inflation numbers, and this influence may come quickly if prices for many common goods and services and raw materials rise in anticipation of tariffs, or in response to their implementation. - Put downward pressure on demand: I personally believe it is unlikely that Trump actually deports millions of illegal immigrants who have settled in the United States.

I work for a building materials company now and took their online game from Zero to very engaged in the past few years and it's been really fun.

Before we go full in house, we are really trying to dial in the quoting process, specifically with putting material lists together.

- And more...Let's move past all of the above and focus on understanding and monitoring maintenance charges PMC's bill to their clients.There are two basic components of every maintenance bill, labor & materials.

@Scott Trench - have you considered investing in short term rentals, materially participating, and having the average stay be less than 7 days?

Any information you are willing to share about past projects from addresses, scope of work, estimates, line item breakdowns, materials costs etc.  

Customer supplies materials ?  

If it is a high end housing product you may have to use a designer because they have access to some material/finish suppliers that are otherwise unavailable but that tends to only be for the highest end housing deliveries.