You can't have multiple contracts on the same property therefore, write one contract between you and the four owners and have all four sign agreeing to the terms of the contract.

We went through multiple extensions and I thought for sure the seller would back out.  

Put down minimum downpayments on multiple properties and hold?

Is there anyone here that has had success buying multiple condos, or should I save even more money to buy a single family?

It's also good if you plan to e-mail multiple colleagues at once.  

Even on institutionally held deals, the CAP rates aren't necessarily transferable (i.e. a large REIT might be able to drive down the cost of insurance considerably bc they are insuring multiple properties across multiple states and get lower costs on portfolios).  

Also, if you hire an appraiser, you might see if you can get a discount for a multiple property job.

It required an extensive reno which exposed me to hours under the sink and supervision of multiple subs and tradesmen.

Is the LOC secured against only one property or can it be cross-collateralized against the equity in multiple properties?

Have multiple exit strategies and you should be good!