Hi John,
I personally prefer higher-priced "luxury" short-term rentals. If the options are an STR that costs $350,000 and makes $52,000 vs an STR that costs $700,000 and makes $104,000 I would take the second all day. It is logistically easier to own and manage a single property.
If you are confident in the market and valuations then the higher-end property may make more sense. This also brings along slight economies of scale when you go larger. If you need to remodel the house you are only spending the money to update one kitchen vs two, you only need to furnish/design a single property, etc. There could be an argument to diversify and spread out the risk, which is definitely something to consider.
My company doesn't have an issue with the risk as we purchase across multiple markets at different entry prices. If these are your only investments then you should be confident in the value of the property as well as realistic revenue projections. Generally speaking, there is more margin for error in luxury properties, if a recession limits consumer spending, you can drop your ADR and still be the obvious choice for guests. With the lower-tier STR, it may feel like a race to the bottom at times, but there can also be fewer expenses with those properties. It all depends on the specific deals and their returns. I saw you are looking in the Southeast, we own and manage in Orlando, FL (Kissimmee/Davenport) and Panama City Beach, FL. If you are interested in those markets, feel free to reach out!