To close the loop on this post, I went with the lowest reputable bid in SWAT Environmental out of Centennial and am happy with the results.

Although water / environmental risks could be problematic. 

Just off the top of my head:Physical ThingsProperty inspection  (should have professionally inspected)All major systemsElectricalPlumbingHeatingRoofStructuralEnvironmentalEtc.Property conditionTenant ConditionProperty LocationNear noise / environmental factFinancial / PaperworkLeasesDurationRent AmountLate FeesCondition reportsTenant applicationsBasic Contact infoEmployment infoEmergency contact infoEmailTenant Estoppel StatementInsuranceProperty Tax statementWell, there is a quick start.  

A Hybrid contract of sale... a way to close more transactions by joint venture A commercial contract of sale, 3 pages with special buyer requirements related to environmental conditions, existing suppliers, surveys, buried oil tanks and other conditions that must be known to make a profitable and safe transaction An option agreementAn informational pocket pack with 52 options to financing and control a building without conventional financingBlank checks, pens, carbon paper, A list of referencesDisclosures for lead paint and other state or federal requirementsCell phone with camera to take pictures of the nice things and negative aspects of the property and to take a picture of the contract to email confirmation to seller and to your title company or lenderA gift, something for the seller to remember you by, I give Indian Head Nickels away, pens, note pads.Blank addendum forms - these are used to attach to your purchase agreements (you don't want a lot of chicken scratching on your contracts; use them to write some of the following; 1.

My conscious says...how can i help this person.?

I currently work as an environmental consultant writing U.S.

Need a history of who has been there and look at environmental issues.Code requirements are much tougher on commercial.Verify the lease with the tenant.Get mechanical inspections, electrical and plumbing as well as general condition, commercial HVAC is $$$$$!

I'm taking a decent hit in potential profits by selling to him at the agreed price but it gives me a clear conscious as well. 

You can do some research of your own by looking up environmental fines, backed up taxes, and water bills. 

I'm 27 years old and currently completing an Environmental Tech diploma and am extremely broke (student budget).