You can learn to do this independently or get a rockstar REALTOR to lead the way.

Based on my experience, it’s often not worth the time and expense because appeals frequently lead to no change in the tax assessment.

Wouldn't buy leads from them. 

You could also bring on a business partner that specializes in sales/marketing to lead that side of the business

And I'd hope people have enough wit's to figure if someone BS's their way to get "biz leads" there probably going to BS their way through/around anything/everything else.     

The EPA wants all lead pipes replaced, period.

Pretty much the core of the STR business.Higher your rank gets, you can increase your price and be more picky in selecting customers which usually lead to a better review / less party or complaints / less expense and higher profit with a happy life.I know some people will argue, but the ranking system is the truth and should be the only guide to your STR journey. 

This reminds me of the story of a wall-street banker convincing a fisherman who already has time for his friends / family to instead scale his fisherman business(get employees, integrate, then sell the business) all of which will lead him to be able to spend time with his friends and family.It already sounds like you have a great life - spending time wth family and in great health.Having additional money doesn't sounds like it would improve your life that much.

Most of our team leads are generated on YouTube with long-form content, neighborhood reviews, market updates etc.

I never paint, swap rugs (except flooding), or do other improvements on rent controlled units This can lead to blight.Who benefits from rent control?