If you have a mortgage on those properties, you will likely need to refinance these to avoid triggering a "due on sale clause" when you move these into an LLC with conventional loans.

I could see investors flipping these properties but you'd have to push the market really hard or have extremely cheap labor costs (probably both).

One way you could leverage a Solo 401k is by taking a personal loan from it.

Any information/advice is appreciated and also how to properly set up our company, how to eventually scale our portfolio and looking to learn more about funding and DSCR loan.

However, challenges persist as reflected in the rise of nonperforming commercial real estate loans, particularly in office properties, prompting banks like PNC Financial Services Group, U.S.

There are HELOANs which are second position loans that you can use, typically 30 year fixed.

Also as you say whether the construction loan is possible this way I'm not too sure.

are they getting an sba loan ? 

As for commercial loans for real estate....

Then when I perform a good % of the work that we got paid full price for in the loan that's backed by asset being acquired.