Most financial institutions provide this product and it's usually formed as a commercial loan.

Now, they give me class training, field training, software access (monthly fees) and access to mentors.

ARV's you'll need to team up with someone who has access to MLS in the market or try a service such as Propelio that will give you access to COMPS.

Many architects can handle the MEP drawings for small commercial / residential projects.

Are commercial loans an option?  

They are behind, but you can access your permit here https://ca.columbus.gov/ca/They normally respond in 21 days if everything is turned in correctly.

I'd love to give access to tenants but I don't trust them in the basement with all the fine-tuned utilities.

I recently bought my second small commercial property!

I am reconsidering if I should hold the flip under the C-Corp or perhaps create a NEW LLC or S-CORP, take out a SBA Loan, fund the house, and pay back the loan immediately and have access to the profits for a future flip or to re-invest. 

Went to inspect one yesterday in fact, as it was Unoccupied and the Realtor could grant me access...many you can not get into so it’s buyer beware.