Tenant agrees not to place into any drain lines non-approved substances such as cooking grease, sanitary napkins, diapers, children’s toys or other similar object that may cause a stoppage.

This is against the Economic Substance Doctrine which states that a transaction has economic substance if: (1) the transaction changes in a meaningful way (apart from Federal income tax effects) the taxpayer’s economic position; and (2) the taxpayer has a substantial purpose (apart from Federal income tax effects) for entering into such transaction.It is self explanatory. 

And if weed is not legal, smoking an illegal substance is not only grounds to reject a tenant but also eviction.

The age or condition of a roof doesn't have any relation to the amount or substance of liability coverage that you can place on any given property. 

Every one i've been to ended up turning to networking events, with little to no substance in education. 

is it in the groundwater or notMost people think leaky storage tanks from gas stations and such are really expensive to clean up, but in reality this type of substance can be relatively cheap (none of its cheap).

You need more than an idea -- you need an opportunity and you need to have a competitive advantage to make that opportunity successful.Your best bet is to find someone with experience who can bring that experience to the table in order to turn your idea into an opportunity, and then you can pitch the opportunity along with some substance (your partner's experience and track record).Of course, you're going to have to prove to a partner that you actually have something to bring to the table as well...he's likely not going to consider your idea to be very valuable in and of itself.

I was saying that it could lead to many people doing such thing and also pointing out the lack of substance the IRS would consider that personal statement to be.

I find it hilarious that (I am a part of Millennial Generation) my generation is being studied as if we are some kind of alien substance.

Tenant agrees to not allow any personresiding on the premises, or any guest, or invitee to use controlled substances(including alcohol and prescription medications) in a manner that will eitherdisturb the peace and quiet enjoyment of other Tenants or neighbors adjacent tothe premises; or endanger the health, safety, or well being of Tenant or anyother person.GUESTS.