The long term goal is to do custom homes, starting with spec builds.

As soon as you start discussing your business practice and strategies with your customers (tenants), then all bets are off and you run the risk of Fair Housing violations. 

If its a very large property, you may also want to make sure you are marketing to any wedding, family reunion, corporate meeting/team building customers. 

Short-term rentals can definitely help you build financial freedom while giving you more flexibility, especially if your current business is demanding a lot of your time and energy.

They offer flexibility in design and can be customized to include a business space.Shipping container homes: While trendy, these can be challenging for mixed-use (residential/commercial) purposes due to zoning and building code issues in many areas.

Excellent customized spread sheet. 

The software allows me to generate custom reports on my rental income, expenses, and overall performance.

To avoid this, some GP's find it worthwhile to spend more of their time, energy and resources on raising equity in smaller increments.

For people reading this - I don’t know the sponsor and this is a general comment but if a sponsor had issues reporting to their customers that should be a giant red flag.

It's a matter of time vs energy and who, not how.