Point being - if I'm renting your house.

Generally adding an ADU isn't worth it but the exception would be in high-density areas with housing crises'.

Hi, I have started flipping houses not long ago but I think the hardest part for me is finding buyers. 

If I buy a new property as a primary residence and move into that new house, will I still have to pay a down payment for an investment property if I plan to rent out the house I currently have after I move into the new house?

You can also set up Monday boards that are shared among multiple people so you can see each others notes.

Vendors come and go, so they may have periodic void in certain niche vendor skill sets.

I will continue to buy in CO due to the overwhelming positive factors that come with owning homes in CO; Appreciation, strong demand, location preferences, long term trends of CO housing market and strong rent increases.

You set the parameters, the agent finds properties that might work, you run the numbers.You know what works for you.

If my verbal offer is entertained, then I would contact my agent to have her set up a showing and make a formal offer.Is this reasonable?

While it's not a requirement for investing, I think having a solid foundation of knowledge will set me up for success.