You'll need to be very careful with your renovation budget and timeline.Your renovation estimate of $120k-$150k seems reasonable for adding a bathroom, redoing the kitchen and existing bathroom, closing in the garage port, and doing cosmetic updates.

Its usually best to go the permit route when adding bathrooms ect but comes at a cost time/expense wise. 

Order a boundary survey from a registered surveyor showing the existing house and if you are making changes such as adding to the existing structure you will need to provide the addition and or deck changes on the survey as well.  

Purchase price: $230,000 Cash invested: $70,000Put 20% down on my first property, I lived there for a year while adding two bedrooms, 1 bath, and finished the basement by myself.

Currently the heat/ac situation is electric baseboard heat and window ac units that my realtor is insistent should be taken out and I should have mini splits or a furnace added instead.

Something might not be adding up here - Social Security Records and Tax Transcripts doesn't sound standard for DSCR Loans (there are always unique situations so its not a 100% flag yet)Here are a couple articles published on BP that may help:https://www.biggerpockets.com/blog/what-documents-do-you-nee...What Documents Do You Need for a DSCR Loan?

Another idea is to have a live show where people can call in with questions.I love the podcast, but as they rack up more episodes, it seems adding variety would be good. 

@Peter Tverdov mind elaborating a little on the 1.5X guarantee on security deposit to your client, my.math isn't adding up.

Added a detached garage.

These investments typically offer returns of 18% to 20% with the added security of being ahead of common equity in the event of a sale or recapitalization.Comparison of Mezzanine Debt vs.