You are going to learn the most hanging out with other successful investors. 

Lots of interviews with folks who started their career as wholesalers and built wildly successful businesses. 

I've just started looking in Brantford as well and curious to hear others success stories in that area.

Money is the key to success in my opinion.

Have him separate labor and materials to check this.With flooring, I've had a lot of success going straight to flooring boxstores and they will hold their subs accountable for reasonable pricing and save you headache.  

I understand that for this to have the opportunity to be successful, I would need to make sure this didn't break any lease agreement, but aside from that I'm interested in the details. 

Be successful on those create some capital and then start the BRRR strategy. 

Any tips for success for investing in the west side of Detroit's real estate market (especially lists of due diligence questions to ask before purchasing duplexes there)?

Congratulations on the success you have had with your 4 rental properties!

After that you will have two assets assuming your flip was successful.