A bigger factor is local supply and demand which has to do with the popularity of an area and how it might change. 

Another thing that might be an important factor is that I'm confident I could raise about $0.5mil in cash if I did want to bring on other investors who've expressed interest. 

For example, it might cost $80K to build but they charge $120K.Financing Kickbacks – Some partner with lenders and earn referral fees or offer in-house financing to profit from interest or servicing.Revenue Sharing Models – Some newer companies will build the ADU for little to no upfront cost in exchange for a cut of future rental income (often through Airbnb).Prefab/Modular Units – By using standardized designs and factory-built models, they reduce build time and labor costs, increasing profit margins.Add-Ons – Upselling property management, furniture packages, solar, or landscaping adds extra revenue per project.Each company is most likely going to be a bit different, but those are the common ways they monetize the service.

., Islamic-compliant insurance based on mutual risk-sharing and Sharia principles) — particularly for homeowners insurance, title insurance, or even landlord/property policies here in the U.S.For those unfamiliar, Takaful is a cooperative model of insurance grounded in Islamic finance principles.

Islamic lenders specialize in this.

. - Staying compliant with various tenant laws and fair housing policies is also a big factor I hear a lot.

When it comes to saving for a near-term goal like a home purchase, the key factor is capital preservation.

The critical factor is a competent full service local investment team.

D is the lowest quadrant, half of the median.Your ownership experience in a class D neighborhood is typically rough, the headache factor is the price for cash flow.

The most important factor is trust.