Can find it at most health food stores.

They are better than any book you can buy in the store.  

Another cost effective route would be to buy from a used appliance store near you.

Great Stuff (sold in hardware stores) is good for a lot of the sealing.

Its an investment in future growth in the company based on multiple factors such as profits, new stores opened, ect.I agree you can be a 30 year old retiring a millionaire but for every 30 year old braggin on the mountain top nobody can count the number of bankruptcies from investors with no clue or no plan.Jason 

As far as the financials of the restaurant, they have better monthly sales than my inside store sales.

He is looking to either build a warehouse building, or buy an existing building where the floor space to the ceiling has to be between 35 ft and 39 ft.

For a few dollars per month, depending on the policy chosen, it can provide additional levels of liability and premise insurance to the tenant, it protects the tenant's possessions in case of fire, theft, natural disaster (u never know, some be storing expensive gear, clothing, bling, in my units), it insures against accidentally injuring others (including their guests) on the property, and some policies even continue paying the tenant's rent if it happens that the tenant(s) loses his/her job during their tenancy.

The new appraisal came back at the purchase price and 3 months later I am still trying to get them to understand the issues I had with their appraiser- incorrect data on one of the comps, and using a property that was converted from a book store to an apartment after the sale.  

Any of the major brands are decent; go to the store and see which one feels right to you.