Many people don't properly run LLC, so they have an illusion of security more than actual security.My best advice is have good liability coverage limits on your insurance.

IE you cant make a loan on a primary residence without full dodd frank and license .Now there are a few lenders in the Los Angeles Market that are properly licensed to do these loans.. but very rare any where else.check out these lenders.Lima oneLending homevisio Civic Dominion for what you describe a 10% apr could be had as long as your credit is decent.  

Make sure to get professional guidance as transferring a property to an LLC can cause the acceleration clause to execute and require you to pay back the full mortgage.

You may end up having to stay in the property a little bit longer (for example you thought it would take a year, but it ends up taking 18 months to execute your plan) but you can absolutely do it.

Get a properly screened renter (thru a reputable property management company) who signs an annual rent agreement that pays you with ACH direct deposit monthly.

Vetting properly should reduce this risk but I'd at least want the security knowing that we're not tied to living with each other if there are issuesAside from these two questions I have for the builder, is there any other question you'd recommend I ask the builder? 

Find ways to spend more time on tasks that will lead to a higher execution rate of deals.

Regardless of setting up an LLC or not, get proper insurance like property, liability and professional.  

Make sure you do proper research on your target property and area and carefully assess your financial situation and goals before you embark on owning a property.

Every Monday I will be highlighting a deal I was apart of either as an investor or agent highlighting a different investment strategy and how it was executed in the local market.This past spring I was a buyer agent on a 2-family house hack deal in Southington, Connecticut.Property details:- 2- family side-by-side duplex- Each unit identical 2-bed/1-bath layouts- Natural gas heat- Each unit has own driveway- Solid B+ neighborhood- Very desirable area to rent and own What made you interested in investing in this type of deal?