When creating a leads funnel, I know there are a few common methods of finding leads such as mailers, cold calls, knocking on doors, etc.

My original plan was to save up money over the next year to pay cash and use the BRRRR method, however we have looked at a few properties and have considered just buying property with a conventional mortgage if we find a good deal in the area we like (we have enough saved for 20% down and light rehab).

I want to start with the Brrr method and am planning to partner on a deal with 3 of my brothers so that we can do a cash offer.

Both are viable methods that convert, just depends on your budget/time constraints like Jeff + Jake mentioned.

Keep replacement plumbing fixtures and appliances.

Having a referral is the strongest method to knowing if someone will be a good partner for you....which is why you reached out with this question.  

The footings for the 'living space deck' will be different than the 'open deck', plumbing and electrical stub-outs will be noticed, things like that that....And if you get caught they will become your worst nightmare!

What's y'alls method for interviewing and making relationships with the various contractors?

They cannot do anything structural, nor any electrical or plumbing.

If not, what other methods do you use to find owner information of small multi-family off market properties.