I'd inspect every unit (yes he or she will roll their eyes).

You can also consider rolling in closing costs as part of the loan so you have more cash at hand after your purchase. 

Before 40 randoms mention it you COULD potentially roll this capital gain into an opportunity zone- they're very specific and half the people on the internet will tell you wrong information about them so IF you decide to look into that reach out to a tax professional who is knowledgeable in them. 

I c This is what I would do in your position..I would only incorporate if this is a rental property and/or this will be an ongoing partnership doing flipsIf this is a just a one time thing or at least to test out the waters it would be easier to structure a joint venture agreementThe proper way is to incorporate but is it necessary with all the fees associated just for 1 dealI am an agent in Toronto as well and someones it gets too complicated when so many people and decision makers are in on the deal.

Perhaps you can test this theory out for the sake of self education and split your actions across all three options! 

In the education phase, i want to find a potential duplex conversion property somewhere to BRRRR and get the ball rolling.

They and their Realtor tell me it's a $150k renovation job based on rolling the dice or throwing darts at a dart board, or whatever it is people do to come up with these whimsical numbers.

Find a good agent, I'd get coffee with a few, and then get the mortgage process rolling. 

I am going to be selling the house I used to live in, and I am hoping to roll that equity over into a new rental.  

As such, I am looking for references for a reputable company experienced in real estate IRA to roll a portion of my retirement account for use as liquid assets.