They tell you to request to market, but there is a max allowable increase which is a joke.

What is the best way to increase deal flow with multi family off market properties?

Bond fund holders are making a strong return with both high yields and fund values increasing with rates declining. 

I do understand that market value becomes what has been paid for a deal but with minimal work and renovations my deals almost always significantly increase in value in the first 6 months.

Great tenant but property tax increases have reduced my cash flow.

Investors focus on adding Accessory Dwelling Units (ADUs) to increase income streams.

Alternatively, can you use either unit as an STR to increase cash flow even further?

These will definitely be helpful to consider especially the insurance in my area of SoCal where companies are leaving and prices are increasing. 

Wood has a huge variability in strength--between pine varieties, the stress which can cause them to fail varies by more than 2x and you can see 20%+ increase in strength as it ages.Then I have stress concentrations which will yield and then redistribute the load in practice, but not according to the calculations I'm allowed to do. 

Are mobile homes more prone to these issues than a typical SFH and I sure increase those allotments?