Also, he indicated he is very well off with his other property. 

I do kind of wonder how great or clean a tenant they are though, if you are having yard care and ac filter issues it is often an indicator of other things being neglected in the home.  

Any product on the market, especially the commercial grade products has a specification sheet indicates the application requirements.  

I will for the sake of the matter indicate what I understand by using a fictious scenario.Property A : Purchase price : $75 000Can I offer the seller the down payment and the Stream of payments (promissory note) for say 15 years and have that all setup with a real estate lawyer etc?

For my first flip it might be a bad idea.Regardless of whether those numbers are accurate, they indicate your "profit" could be a (loss) of $20,000.Your earlier mention of a $20K price tag to externally excavate, install French drains, waterproof, insulate {there is no point in doing the rest and not bothering to insulate}, and backfill would be {more than} adequate under normal situations, but in the hyper-economy of Kitimat, it could possibly be short if major landscaping is also required to redirect and capture run-off.My experience with mould has been it is often like an iceberg - what you see on the surface is only 1/3 of what is present.

When you get it in writing then you usually sign off on the quote/proposal indicating you agree with the scope, terms, conditions, and payment schedule.

Time For Acceptance: Seller shall indicate his/her acceptance of this Agreement by signing and delivering the same, or by telegraphing acceptance to Buyer or submitting agent before __________:01 [ ]AM [ ]PM Date _______________, after such time, this offer shall terminate.18.

That should give you a good indication of whether to invest locally or in MO or some other distant locale.

I told her that our attorney indicated otherwise and that she could consult an attorney. 

Indicates occupants' economic status.