I am aware of certain zoning and regulations but am looking to further my knowledge before potentially venturing deeper.

They are either already under regulation and scrutiny, are they will be too expensive for you to make a good profit in. 

However dependent upon taxable income you could get away with a pretty low tax bill due to favorable capital gains tax rates.Be sure to work with a qualified intermediary and a tax professional to ensure you comply with all 1031 exchange regulations and to be sure you keep basis correct as all a 1031 does is defer your gain.Happy to help run some numbers or do some basic analysis for you if you would like. 

Coastal NC can be a great market, but it’s important to research local regulations on STRs since some areas have restrictions or require permits.

Local Regulations: How do local landlord-tenant laws, rent control policies, or other regulations affect investment profitability?

Investors can tap into this trend by building modern homes that meet current buyer preferences, offering excellent returns through sales or rentals.Investor-Friendly MarketWith fewer regulations and lower building costs, Florence provides a smooth path for new construction projects.

I did find verbiage but from another jurisdiction "Unavailable for rent means a unit whose owner has filed with the code official a statement signed under penalty of perjury that such unit is not offered or available for rent as a rental unit and that prior to offering or making the unit available as a rental unit, the owner will apply for a Residential Rental Business License and comply with any applicable administrative regulations adopted pursuant to this chapter...."

Along with the lease saying its in a HOA, did you provide them with the HOA rules and regulations.

Arlington is the only Texas city that has successfully withstood legal challenges to its strict STR regulations.

Finally, adhere to legal regulations and best practices to protect your investment and reputation.