In southern CA, even garage conversion ADU additions are typically costing more than the value added.  

By carefully managing the scope and cost of renovations, you can maximize the return on your investment.3.

Procrastination will only cost them more. yep. carrying costs alone, but also if its not your money and investor money - some will try and drag it out. 

You will likely need to rehab for any strategy but Co-Living will be more bedroom additions which is less cost compared to kitchen and bath remodels that are more needed for furnished rentals. 

My accountant wants me to start doing this in the event of an audit being I’m starting larger projects and will be implementing cost segregation Thanks

Imagine if it cost 1000 to send out 50 letters but half of them responded and half of those wanted an offer and half of those accepted an offer and half of those closed and half of those resold for a net 50k. 

The 2-3% points in extra cost are worth it if you plan on using as I described above because the use would be for a few  months at most and due to that short term use you can survive a rate adjustment up.But, if you have no plan to payoff the debt like when using for a down payment on a long term hold why pay the extra cost for flexibility and have the additional risk of the adjustable rate with the amortization looming when you can get a fixed rate second mortgage. 

The process from start to finish would take four months and cost ~200k to build, with comps in the area around 355k-lender man said, refinancing would take six months as most lenders wont refinance a property unless its been built for six months, affecting the strategy to get paid out from refinancing quicker and closing out on construction loan-The property would not appraise at comps value, but at the cost it took to build, affecting getting paid out from the refinance.

@Ben Syzek with $50k, you're probably looking at a property with a total cost (purchase price + reno) around $250k.

The masterminds often encourage students to finance the new-car like entrance fees on a credit card, on the promise of just a single deal covering all the entrance costs.