Section 121 may rule the day anyway and render it moot, but I have no idea how that works for a multi-unit primary residence, and your exclusion under 121 may be limited. 

Paying from your personal account will 'commingle' your personal money with the LLC rendering any protection the LLC might have provided worthless.

@Corbin Jones, seller financing has been rendered obsolete by the low interest environment; money is so cheap and so easily available that no qualified buyer would pay more in % to a seller, and no normal seller would risk his principal with a low qualified buyer who does not qualify for cheap money.

We downloaded a topo map, had our plan arranged to fit, made a rough draft site rendering and now would like to know how to proceed.  

The landlord seeks, in good faith, to recover possession of the dwelling unit that will render the unit uninhabitable for the duration of the rehabilitation or renovation.

You’ll need to contact your credit card company directly within 60 days of the transaction posting on your credit card bill in order to dispute a charge for service you’re dissatisfied with.If you paid for services that were not rendered, this will almost always result in a successful dispute and you’ll get back your money as long as the transaction was large enough and you meet the geographic requirements.

I work with contractors and homeowners in selecting materials, finishes, paint, etc. and doing spaceplans, renderings and custom designs for homes.

Below is an old photo I got off one of the listings and the render from the cabinet supplier (yes they are reversed). 

Obviously, this is a very turbulent time for many reasons, rendering financial analysis slightly less reliable.

I have heard several examples of "the corporate veil" being declared "pierced" in court, rendering the LLC protection null and void and the person (or other businesses) legally liable.