I did find this deal driving driving for dollars, the realtor of the property was adding his sign in the front yard, I approached to make and offer. we close in 3 weeks.

This long vacancy period can result in significant loss of income and added holding costs.

Is it worth the extra work?

They are using rules to add multiple ADUs.Here is a list of why adding a single ADU in dingle family  zoned areas in my CA market is typically a poor RE investment:1) The value added by the ADU addition is often significantly less than the cost of adding the ADU.

And than the fact that density brings it's own problems and added expenses.

In some cases, it might even mean you can buy your next house all cash.Financing Home ImprovementsThinking about upgrading your kitchen, adding a home office, or tackling other projects?

Some owners are willing to miss out on thousands of dollars just for a chance at a couple extra hundred dollars.

A couple of mine are in Mesa, one in Florence, and I just added one in Arizona City. 

Consider a HELOC for value-added BRRRRs or flips if you have a low interest rate.

Eventually, I realized that if I kept waiting until tax time to organize my books, I would never escape the stress (and extra CPA fees).