What should I include in the lease if I decide to do so (things like not being liable for any illegal web activities, download limitations etc)?

Whatever risk of getting demoted in the algorithm for them exists as well on the web. 

That's an $1800 gamble with this software.

You can also win at anything in life and if you keep gambling away with your proceeds, sooner or later you can have a bad loss. 

Without investing time into research and understanding a neighborhood, REI can be a bit of a gamble.

It you found THE location and McD can't go anywhere else in a cheaper market (not typical) then you could try to ground lease but that's more of a risky gamble and I'd have many exit strategies. 

They do NOT have any web portals to be able to monitor or service your loan.

@Willam KuczmeraIf you decide to proceed with the distribution, the following IRS web page is a good resource for the rules and tax consequences. https://www.irs.gov/retirement-plans/plan-participant-employee/401k-resource-guide-plan-participants-general-distribution-rules

A simple web search for piercing the corporate veil will outline the Do’s and Don’t’s as it pertains to operating a LLC with this in mind. 

I know your gonna say people can find that info out in the web, right.