Very repeatable and much less time intensive than actually owning the real estate in most cases.

Sounds intense. 

Purchasing real estate is capital intensive.

.), but it's WAY less document intensive than a conventional loan. 

My advice would be to drown out the noise you hear from others with positivity and thorough due diligence.

I can say there are specific custodians we like to work with who are streamlined and smooth process and some who make the process a lot more labor intensive, and have had two investors using the same custodian and have one tell us we need to complete this form and the same custodian tell their other client that its a different form.

Typically we want to take gains from risky/labor intensive/short term investments and roll them into long term/stable/more passive investments.

Quote from @Ryan Brown: Your city has noise ordinances.

Set clear terms in writing so that it’s “official,” which can protect everyone involved.Renovation Phasing: If the reno is intensive, consider breaking it into phases.

Pricing models vary, but I use a flat-fee approach based on the intensity of design strategy and level of investor involvement.