Something will come up that you do not understand or do not have to knowledge to deal with.

Always research local regulations before investing.The Importance of a Local Investment TeamA knowledgeable local team is essential for success.

@Jonathan SmallThese are just general and common knowledge about Florida known to most. 

Would love to connect and knowledge share if you are interested.

Also keep in mind all those that equate this to buying a rental house are very focused on one thing and that is being a landlord and being landlord and buying rentals basically takes no special talent or knowledge other than basic math and ability to buy one.. 

Are there other, more cost-effective alternatives to gain similar support and knowledge?

Perhaps I talked to a person who knew less then me or folded without knowledge I don't know. 

Are there any knowledgeable mortgage or finance brokers in the Houston area who have expertise in similar transactions?

Each week, I personally analyze the MLS, leveraging my deep knowledge of South Florida’s short-term rental market.

You have excellent advice here from some people who didn't just get their knowledge of investing through a low rate, real estate risk off period.