.), and network to surround myself with people in the industry to build mutually beneficial business relationships.

This probably means as was previously pointed out just dipping into our Capex/reserves, but that is worth it to us as they have been fantastic tenants and its worth it to us to work with them for the long term relationship.  

Building a team is about building relationships.

This sounds like a pretty straightforward issue to me -- it seems like this will functionally be an "interfamily transfer" due to the relationship between your brother and your grandmother.   

Long term, I will definitely look to build relationships with portfolio lenders, but I'm also interested in seeing what rates and fees a broker can offer on some deals.Does anyone have a good broker they've worked with and would be open to sharing?

If agent, find the best agency in town that supports small investors and build a relationship.

Much like having good contractors, wholesalers, real estate agents, and other professionals in the industry, and Hard Money Lender who you have a good working relationship with can go a long way (and it should drive costs down the more you work with us)!

The discussion I'd like people to weigh in on, is cultivating relationships amongst other investors/agents/lenders etc.

What I wrote above does not create an attorney/client relationship between us.

This lead came directly from a realtor I have a relationship with.