Any insights on financing, managing renovations, or rental demand in Detroit would be greatly appreciated! 

Research local rental demand, especially from military and university tenants, and consider balancing your portfolio with single-family and multi-family homes.

A cash-out refinance or home equity line of credit (HELOC) can be powerful tools to keep your momentum going.Focus on Stability:Look for investments in areas with strong job markets, population growth, and consistent rental demand.

All these transaction where they actually "make money" out of our desperation to "delay tax payment".

Coffered ceilings, low corner additions etc.Anyone can slap lipstick on a pig, looking for high value add in high demand markets is where the $ is.

Investors need to target high-demand markets where property values can support development costs.

Much of the negotiations during due dilligence depend on demand for that specific property- hopefully your agent has build leverage in to your contract that they can use to help you with this piece. 

The data from Airbnb and local realtors show that there is a huge demand for rentals due to people from New York City looking for places to escape within a 2.5 hour drive from Manhattan.

With that said, I've done some research on the market and found the following information helpful in my considerations for Phoenix that you might find helpful as well:  Demand for both buying and renting property remains high due to the city's strong economy and growing population. 

@Amir PortalStarting the BRRRR strategy in the Dallas-Fort Worth (DFW) area is a smart way to build your real estate portfolio, especially with the area's growth and rental demand.