So ask your questions, get your data and do your research.

Hey Anthony, The county assessor is definitely a solid spot but if youre looking at multiple properties and trying to be faster with the data collection, DealMachine pulls directly from the property assessor and they have it mapped out nicely.For a skip tracing service, Ive been using REIskip.

April home sales jumped 86.2% year-over-year with a total of 25,857 transactions, up from 13,889 in April 2020, according to data released by real estate firm DQNews.

Is there an article/report or data on this? 

This is a positive position to be inMaking money when you building your homeJust imagine in 30 to 40 years new built house possibly double in value    ( markets up and downs )Congrats

How did you obtain the data?

For example, $200 a square foot would be $60,000 in value so it could be significant.

Does anybody know of any good online resources to see historical Real Estate Appreciation Data?

Obviously no guarantees, but there is plenty of data supporting it and firsthand accounts of investors achieving that.For your situation, I would focus on 2 things: 1) Act quick, but don't hurry; 2) See how far you're willing to go.  1) If a house meets your criteria, it all adds up, be responsive. 

I think you'll find this interview invaluable: https://carrot.com/blog/negoti...