However, this has to be the primary residence of everyone on title in order to qualify and even if that were all true, we're still only up to $1M that way.I agree with the other commenters, the parents should continue to own it and live in it as their primary, leave it to the daughter when they pass, and she inherits it at the stepped up cost basis. 

I got 800+ credit and great mortgage offers so only reason im doing this seller financing idea is that its lower monthly cost

There's other items such as this where it may be helpful to talk to a CPA/EA for a little tax planning, especially since you'll likely get caught up in the passive activity loss limitations if taking bonus on a single rental property as I often see.It's also useful to mention that even if you do the cost seg study (I'm assuming you're doing one to be talking about this), you'll still benefit from accelerated depreciation in the form of shorter useful lives on the assets where you received bonus from.

.- Stock market opportunity cost: If the brokerage account has strong holdings, consider if the return potential justifies cashing out now.Given the current market dynamics and your goals, reallocating your brokerage funds into a multifamily property in Rochester could provide substantial benefits.

For example, should we focus on acquiring one high-quality property in a strong market, or would it make more sense to spread the investment across multiple lower-cost units in emerging areas?

I do understand all recent syndications are struggling with costs and tenants struggling to pay, so trying to be patient for now.

We moved to Mexico to lower our monthly cost.

You may run into issues with re-tenanting and it may take longer than you expect or cost more.  

•If your real estate broker’s license allows you to handle evictions, advertising low-cost eviction services can be one of the best lead generators.

Whether the seller was open to a buyer commission or not, I wouldn't put an additional cost into any personal purchase.