The high volume guys are working on very slim margins.

I would talk to a mortgage broker in the US who works with foreign investors and can explain your options, but I would also definitely contact Canadian banks to see what they can offer. 

This is a high volume strategy as agents often don't pick up the phone, don't get back to you or say they will pitch the deal but don't.

You will need cash for your earnest money when you make your offer.

Needed some guidance on the fees for this kind of real estate and whether the offered pref and LP/GP split actually makes sense or is it too high/low?

Identify promising investment opportunities and present them to the investors you've networked with, while also offering financing options.

I offered to fund rehab in 2nd position to learn the ropes.The best advice I've been given about real estate is that it's all about relationships.

You put into offer that it is contingent on you finding a final buyer.

If you are a little fish, or a new fish , or a late fish to filing it’s highly likely you will get pushed out with an extension. 

Look for areas with high tourist demand and strong rental yields, and consider attending real estate seminars to gain insights into the latest trends and strategies.