For example, we currently have our properties under one BOP Insurance policy but I'm not sure if that is allowed under LLC's because we get one bill for all properties and I know you aren't supposed to co-mingle funds under LLC's but I'm not sure all the ins and outs of that.  

A study completed by Firepaw org shows that having tenants in your property can actually increase your revenue.Unfortunately everyday more landlords are learning that canine liability is no longer covered under current insurance policies.

Yes, you would need what many insurance agencies call landlord policy.

What originally was a research paper for the insurance policy has become a standalone canine liability policy which can be purchased on line in about 15 minutes or less. 

Use it as a safety net for unexpected expenses.On your first property, you can't spread the cost of capital expenditures over multiple properties, so when/if something happens, you need to be ready. 

(a) The landlord shall: (1) Comply with requirements of applicable building and housing codes materially affecting health and safety; (2) Make all repairs and do whatever is necessary to put and keep the premises in a fit and habitable condition - See more at: https://www.tn.gov/lawsandpolicies/article/66-28-3...

This means having adequate margin of safety (profit margin), it means having multiple exit strategies (plan A rent it, plan B flip it, etc.), it means maintaining adequate cash reserves (to handle unforseen CapEx, vacancy, etc.).

Our H1B status is also a little riskier because of Trump's policies regarding work VISAs.Ideally, when I do get my green card, I will set up my LLC.

I am looking for a good insurance agent in that market to help me get basic policies.

If you've got 7 SFH as experience in the same area, and your numbers are looking good (give yourself a big margin of safety for a first deal in MF) then I say: go for it.