I did most everything I was supposed to do, increase my income, decrease my living expenses, save cash, etc.. 

It will tell you if that change increased/decreased clicks & First Page Impressions & Booking Rate overtime. 

The number one benefit for a high income earner that invests in long-term investments is that the depreciation will shield your rental income from your effective tax rate.if you are a high income earner, you are likely around the 35% federal tax bracket and another 5-10% tax bracket if you are in a state with a taxInterest income will be taxed at potentially 45% + 3.8% net investment income taxDividend income will be taxed at potentially 30% + 3.8% net investment income taxRental income potentially at 0%I think a lot of people get disappointed that their tax burden doesn't decrease.It can potentially decrease but it will require proper planning along with some level of participation with the real estate.

But your heading says STR Insurance, and I don't know if the number of STRs will decrease by a huge amount because people will still vacation there. 

If a quit claim deed was used to transfer title in a normal sale one just wants to make sure the chain of title seems clear and that the owner issuing that deed had clear ownership.This is why we have title searches done and pay for title insurance to research these sorts of things and to protect us against the oddball unforeseeable circumstances.

Even if I do not make an offer, I will provide feedback on how below market rents or unrealistic rents decrease the value of an investment property.   

I recently received renewal paperwork for 2024/25, shockingly the premium decreased a few dollars. 

However, this will typically only decrease the monthly premium by a bit. 

The results are:Delivered over 530 investment properties to more than 180 clients worldwide.Our repeat business rate is >90%, indicating the clients made money.Our average tenant stay is over five years.We've had 7 evictions out of a tenant population exceeding 1,000 over the last 17+ years.Our client’s rental income has been highly reliable: no vacancies and no decrease in rent during the 2008 financial crash.

I recognize my numbers did not include closing costs and as you pay down the equity, the LTV decreases (but you get the equity paydown), but this return is so high that even if it had a modest hit, it would still be a great return.https://www.neighborhoodscout.com/ca/san-diego/real-estateAdding in forced appreciation can create an infinite return via brrrr.