@Nathan G.
I own my own STR properties, and I manage them myself, and I love all the benefits of doing so. But I actually do see how this type of partnership could benefit the landlord. Not all landlords want to learn to run an STR. Some truly want to be passive investors. They will get smaller returns than active investors, but probably still beat the stock market. If a seasoned professional is knowledgeable of the market they operate in, so they know what a deal looks like, will pay them above market rents, provide 0% occupancy (because they will always pay monthly rent regardless of guest occupancy) and provide constant eyes on the property, and often make small repairs at their own expense - why not, if it suits the needs of both parties? And as for the person doing the arbitrage - people create businesses all the time for the purposes of creating cash flow. Flippers do it too! Again, why not? Happy New Year! And Happy investing!