This is tough to do by the way because you cannot predict the market but you can make educated assumptions based on what you know.If long term, as long as the cash flow is great, there is no reason for you to be concerned about appreciation for now.

@Keenan Rusk Refinance appraisals tend to be more conservative than purchase appraisals so it's a crapshoot to predict if the HVAC upgrade will pay dividends, but where it most definitely will help you get more money is eventually when you sell.

What are your thoughts and predictions from what you're seeing in your local market?

Here are some points that I would share1) Nobody is consistently good at predicting the timing of market cycles2) Doing nothing has an opportunity cost3) Real estate isn't market-to-market like a stock on a real-time basis.

Here is a story of a girl electrocuted by a faulty dryer without proper grounding:https://www.click2houston.com/news/2018/07/11/child-electrocuted-in-texas-rental-home-that-mother-says-had-electrical-issues-before/Here is a good link to explain grounding and GFCI better:https://www.thespruce.com/what-is-grounding-1152859I am predict within 20 years that code will require dual GFCI / AFCI detection breakers on all circuits. 

In 1990, was anyone predicting there would someday be Instagram hos?

No one can predict the future so you have to prepare for the unexpected.

Without plans to get quotes from subs and finishes picked out or allowances for finishes given, it's impossible to accurately predict the build cost, but this should get you close enough to decide if you want to get an architect and builder involved and start down that road.

It is hard enough to know where interest rates will be in two years, trying to predict where they will be in 20 years is virtually impossible.Good luck

Their "Rentalizer" predicts I could earn $98k/year in revenue.