Quote from @Sarah Rosko: We manage several medium-term rentals as well and typically operate with a 30-day minimum stay.

If this isn't an attractive alternative to your business partner then you might consider changing the ownership structure or operating agreement as one of your options.

When funding is rare and flips are plentiful, there will be enough opportunities for everyone but return will be depressed and better operators will make better returns. 

One thing I would mention though - doing STR just to save taxes often leaves you operationally unstable or too detached from the management to be successful.

Donate the Property: Donating the property to a qualified charitable organization can provide you with a charitable deduction equal to the property’s fair market value and eliminate capital gains taxes.Implementing these strategies requires careful planning and consideration of your specific financial situation.

However, managing multiple LLCs can mean higher costs and administrative work (separate bank accounts, annual filings, etc.).It depends on your risk tolerance and ability to stay organized.

Quote from @Carlos Lopes: Gross income doesn't matter.This is the number most people post, and it's 92.7% useless.What you need is NET income, meaning the money left over after all expenses, and that should include a dollar amount for your personal time spent operating the business. 

Also, depending on your long term goals, transitioning part of your portfolio into more passive investments might help reduce operational stress while keeping your equity working for you.

Simply document everything you do and create your own Standard Operating Procedures (SOPs).

What tools have worked best for you to streamline operations?