I recommend spending some time educating yourself on how to analyze properties to prevent you from making the same mistake again.

OR by violating any laws and illegally preventing them from moving in. 

She will learn street fighting and survival techniques as well as how to fight multiple attackers and prevent rape.

Tell the original seller so he can be there with a copy of the deed to prevent the placement of the mobile home?

A title report would be necessary to confirm whether or not there is anything preventing a current sale by the owner of record.

This is to prevent someone from piercing the veil to ultimately bypass the LLC and sue you personally.

Lots of opportunities to stop and prevent it. 

Oh, let me count the reasons, stark and clear,Why in the Rockies, dreams might disappear.Firstly, time's dance, a tango unforeseen,Delays and setbacks, patience in between.Secondly, budgets shift in mountain air,A treacherous venture, costs rise with care.Like winds that howl, a financial plight,Draining pockets in the mountain's height.Thirdly, expertise, a crucial call,A craft refined to prevent the fall.In rocky realms, build cautiously,For seasoned skill shall guide to victory.Oh, let me count the ways, with wisdom's might,To pause the dream, build in clearer light.Where were you CountTheWaysGPT when I needed you?

Reach out to agencies in your area (housing commission, Saint Vincent DePaul, etc.) explain the situation and ask them who provides eviction prevention assistance to renters.

It is your responsibility to change the air filter to prevent this from occurring (see Lease, page 3, paragraph 2).