Tenant further acknowledges and agrees that they shall be liable for all damages to _______ system due to intentional or negligent acts by the tenant, it's invitees, guest,  agents or licensees" 

During your initial walkthrough, inspect the property for any major issues such as structural damage, roofing problems, plumbing, and electrical concerns, while documenting all cosmetic and functional issues with detailed photos and notes.Once you confirm the property’s potential, finalize your ARV and calculate the repair costs using either a reliable estimator or insights from contractors.

Quote from @Michell Chase: It isn't a large amount but my concern is that if I remove the tenant in July I have no deposit in the event that there are damages to the unit. 

Like the others, inside mount if you can fit them.Look cleaner but they are also harder to damage.

In our rental agreements, we use the security deposit to cover any damages once the lease has ended.

I hope you are asking two separate unrelated questions, because there's no point in doing cost segregation for properties held inside your self-directed solo 401k, save for some very rare exceptions.Some of the Bigger Pockets experts who operate reputable costs segregation companies are @Bernard Reisz, @Yonah Weiss and @Julio GonzalezSome of the Bigger Pockets experts who offer Solo 401k administrator services are @Dmitriy Fomichenko, again @Bernard Reisz and @Brian EastmanReach out to them and see if they can help.

They either had below mkt. rents or high vacancies and bad reputations and with super managing them I significantly grew the cash flow. 

You can look at a mobile home and see it as an easy rental with new carpet, trim and some paint but there are other bigger uglier expenses that can come up.Roof Replacement, soft floors (water damage) in kitchens and bathrooms- most floors are particle board, exterior door replacement (special order), underbelly insulation falling, bad hot water tanks with rotten floor underneath (real joy), bad windows (water again), bad bloated siding (water), water damaged base frame around perimeter of home, cracked tubs (special orders) and frozen pipes (Good luck finding a plumber to come work on a mobile home- they do not exist). 

I would appreciate any advice on whether it's a good idea to invest in land on a slope and the potential challenges of building on such terrain.If this seems like a worthwhile investment, can anyone recommend reputable construction companies that specialize in cabin builds on slopes? 

You should bill them both for the damages, take pictures and go to court.