In an ideal world the investor, a partner, an interior designer, or for larger investors maybe a project manager would be able to collaborate with the contractor(s) on these things.

Here is the how I would explain it to a kindergartner:The true power of a 1031 exchange is the ability for an investor to meet their investment objectives without losing equity to taxation.With more money they can buy larger, multiple, or more productive properties.What is the alternative?

This is what is pushing up rental demand for small MF properties that having lower rents, fees, or total move in costs compared to other larger commercial apartment complexes.

Or like your plan use it all as a down payment on a much larger property.  4.

Larger are as low as $1.15. 

It keeps everyone on the same page.3) The downside of using a PM who has their own maintenance company is that you might end up with larger bills as it is a profit center for them.

Leverage magnifies return. 3) The effort involved in adding an ADU is comparable or larger than a rehab associated with a BRRRR.

Having milestones (or checkpoints) is needed when having larger goals to ensure you are on track and keep you motivated.

I also look for properties with larger lots that I can put tiny houses on or convert sheds.

However, a larger home may consider another can or two in certain locations based on proximity to the kitchen or bathroom.