In San Diego at the current rates for a purchase loan (which has better rates than an ADU additions) at high LTV, I show 1% does not cash flow on a sustained basis.  

For comparison, a Navy Federal FCU personal loan will be in the 15s%

The SST doesn't apply for legal 2-flats so if you want to use FHA it's probably better to target those that maybe also have a non-conforming basement or attic unit.This is why the 5% down conventional loan is a game changer for house hackers.

Second home loan , conventional How did you add value to the deal?

OO loan seems like real long shot. 

Yes I know about the VA loan (no down payment) and VA disability payments, more on that later.  

A better option if you can swing it is to purchase with your own funds, gain access, then refi into a loan.

I Joined Jeromes Buying land and building homes program back in 2019Heres my opinion on my experience....First and foremost He offers two different programs. a 6 month program and a 12 month program.BOTH PROGRAMS ARE EXACTLY IDENTICAL THE ONLY DIFFERENCE IS:You can choose to have the weekly mentoring by Jerome once a week for 6 months or 12 months on a zoom call and you can have access to a private networking group of real estate professionals whether that be (realtors, contractors, brokers, Private/Hard money lenders, loaning institutions, Surveyors, Engineers, Zoning Board members in different municipalities, pretty much anyone you would need to get a project completed) for either 6 months or 12 months.6 month program will run you $5,997 if you decide to pay all at onceor you can make a $2,300 payment every 2 months totaling $6,90012 month program will run you $9,997 if you decide to pay all at onceor you can make a $3,000 payment every 3 months totaling $12,000I decided to join the one year program and chose the payment option as i figured within 6-8 months i would have my 1st project completed therefor my last two payments would essentially be covered by the return on investment from that project.PROS:The group is really a family oriented space where you meet a vast variety of people from all types of background throughout the country and other countries that are doing business just like you.

Great tools that get updated regularly.I am on the lending side of things and would be happy to hop on a call with you anytime to discuss financial strategies and help answer any questions you may have about nearly any loan product available to help you on your journey, even if they are not products my capital partners offer.We are all here to help you learn and grow.

I have been helping investor close deals literally with less than $10,000 out of pocket using 100% Purchase/100% Rehab hard money loans to do BRRRRs.