With more relaxed rules from July 2018, it makes a lot more economic sense to invest into building an ADU: http://www.sanjoseca.gov/DocumentCenter/View/78534

Markets may slow down, however, notwithstanding any significant negative changes in economic conditions, I would expect markets to pickup and home prices to go up again in spring 2019.

Everything is going on in the market.Charlotte has one of the most active RE markets in the US.This is an extremely broad question, but some basic economic research on RE trends for the area should paint a good picture for you.

Also, is a “stacked” or top/bottom the most economical to build? 

Write clear, understandable leases with landlord provisions that you stick to, don't be an arrogant jerk flaunting your economic success, communicate often and humbly, reserve judgment when you can.

We are a group of Latin American investors who are experiencing economic losses due to the irresponsibility of ABC Capital.We have found on the public page www.courtlistener.com two actions where our office of trust in real estate investments and property manager, to whom we entrust our investment and assets, are sued.We put at your disposal both actions; with the warning that they should not prejudge, since it will be the court that hears the case who passes sentence, since it is the one that knows the evidence presented.https://www.courtlistener.com/?

We've been on an economic upswing for a while now.

The beautiful thing about (most residential) real estate is that it is micro/micro and has more to do with people and personalities than actual structure or economic indicators.

Thanks for stimulating the possibilities!

I like the challenges and intellectual stimulation that comes with this type of job (I work in research and development).