That's 50k a year gone and you are losing tax write-offs and equity potential.

If it's worth $1.3 million today, it will be worth $3 million or more in 20 years, you'll have paid off the debt (or most of it), you'll earn at least $3 million in cash flow over those 20 years, and you'll have tax benefits.

I don't think it passed in either neighborhood, but lets you know where the sentiment is.There is no specific tax offset for new construction that I've ever heard of. 

Showing off my data will only give people the wrong impression.

Quote from @Chandler Hall: @Chris Seveney first off, thank you for your response!

Preforeclosure owner finance wrap, paid off the default payments and taxes with cash and assumed the owners loan.

A hands-off garage conversion ADU is over $100, even doing much of the work yourself, it will be much more expensive than your estimate.Single ADU additions in single family zoned areas are typically one of the worse re investments. 

I have 1 SFR  that is paid off and my primary is also paid off.  

DSCR loans are based off of down payment, credit score and either actual or market rents so it helps to supercharge an investor's real estate goals and net worth.

When you live in that duplex for 2 years and then sell you'll be able to take 50% of the profit tax free (the allocation for the side you lived in).