The house sits near a freeway junction and a busy street, and while my previous rental was also close to the freeway, something about this home's elevation makes the noise unbearablyintrusive.

I wish I had another work around for you, but I actually stopped using my business CC all together just to avoid the PITA "hacks" they offered as solutions. 

I would check with your CPA before setting anything up.If you are talking about referring people to local fun businesses like the boat rental, restaurants, amusement parks etc then there is no problem.

They have a list of vendors that want to keep them happy because of all the business they do.

It makes lead management way more efficient since they get to focus on people who actually want to do business. 

Would that lower our tax liability from other income we receive or no because this is purely RE and not an operating business?

I'm happy to share some tips about purchasing an STR in a different state.I joined Stayly Academy, which helped me secure a lease property under my business name and utilize it for short-term rentals.

Hey Max my business partner and I are agents and investors here in Phoenix ourselves.

Not everyone will be successful in this business especially during times when people are essentially jumping on the bandwagon. 

@Matthew McleanBigger Pockets is a great place to find an accountant specializing in real estate taxation.A good real estate accountant can save you thousands of dollars by leveraging entity selection and formation, tax deductions, cost segregations, bonus depreciation and tax planning.I recommend finding an accountant specializing in real estate taxation, business taxation, financial planning and tax planning.Consider working with your accountant remotely to expand your options.I would also recommend looking for an accountant willing to work with you throughout the year.