So I'm about to close on a property and I already have a tenant. I think it's going good until I'm like wait I have to pay taxes. where do I go to pay property taxes? can I make it automatic where the state or city ta...

Perhaps you are confusing this with loan principal payments, which are not tax deductible.  

Do not confuse these things. 

The other option is that you purchase the land yourself, find out if you can subdivide that property - wait a few years to get the subdivision approval, and then sell the other portion without forming a partnership.I'm a little confused you mentioned "I would like each of us deal with owner of the land" - who is buying the land?

I am planning to assign contracts to fellow investor, but still confused if there is something that needs to happen with the contract before it gets assigned.

I guess the source of my confusion is that I'm not sure how easy or difficult it is to rent a house in my area with a relatively high rent (upwards of 4k a month).

What was confusing to me was that the language specifically spells out you can’t lend to an LLC you owns a >50% of.

I'm confused by the question.   

Young ones smart with tech like @Kurt Lane capitalizing on the confusion the older players are experiencing and can pick up a few places from tired LL's.

I know it's a confusing subject so I'll try to illustrate it below.