Your investment property - This you could do a 1031 exchange on and buy another property you intend to use for investment. 

It will help them tremendously - IF they actually follow it and do it. 

Can you easily find cash purchases close to the property and things like that?

The other thing to think about is the length of time you've owned the property.

Choose Multi-Unit PropertiesLook for duplexes, triplexes, or properties with ADUs.

These properties include different foreclosures and those that sell below their market value.

Those properties will sell for significantly more than SFR's without ADU's (six figures more), and then appraisers can base their valuations on actual comps that more appropriately reflect the market value.In the meantime, BRRRR may be difficult to achieve. 

If it is a high-end project, I would spend on an actual lIcensed designer.

And will you be utilizing property management firms to help out? 

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