Well done coming through the PR foreclosure purchase process! 

The process sounds complex and time consuming, and can someone leverage the time for something that's more rewarding?

Make sure you find a really talented and qualified designer with original ideas.

Design the layout of the project and budget.

We don't mind the work, and already have a process/checklist down. 

I’m in the process of getting a property from Zach and still a little concerned as this will be my first investment property.

I know the capital gains tax on investments shorter than 1 year have at least 35%+ tax.I try to tell people to beat the tax with volume, the 1031 exchange program can be a pain with their guidelines and process. 

We worked with an investor-focused realtor and went through the usual processes for putting in an offer.

There are designers who focus on ADU layout, drafters who just draw ADU plans, and contractors who just pump out garage conversions.

You should seek a Lender who can provide a formal Certificate of Approval Letter upfront and help Prequalify DSCR properties in advance to simplify the process.