There are several factors at play.First off, you need determine your max price before you get caught up in the emotion of the auction. 

It might turn into an Emotional Support critter.

A partnership is a marriage, if it breaks up, it is rarely amicably, and there is always pain, whether it be emotional, psychological, and/or financial.That being said, you need to talk to an attorney to create a well structured partnership agreement.  

I have zero emotional attachment to any property whose numbers don't work, and would happily move onto the next one.All in all, I wholeheartedly appreciate your advice.

I’ve talked myself out of a couple good opportunities by listening to my emotions too much, and not trusting my the numbers even when they met my criteria.

It's all about having the right team and getting past the emotional discomfort of not walking through a house before you buy it. 

It's easy to become emotionally involved in our investment decisions, picking a favorite stock, or buying houses to flip in our neighborhood, or trading crypto because it's exciting, yet if we are really honest with ourselves, if we are investing to build wealth, are we really making smart choices?

Remember to be realistic with yourself because some people get emotional on their first deals and tell themselves things like: "I can just do that myself to make the rehab cost less" or "I can just cut a corner here to make the rehab cost less", in more cases than not that does NOT work.

I was following the BP playbook of creating an emotional connection with the seller by sending pictures. that's something Brandon turner has been recommending for ages. 

Its difficult to keep emotions out of it but you will be much better off in the end if you do/can.Mark