A few months later the guy killed the owner, dismembered his body, and shoved all the pieces into the air conditioning ducts.

(Other then me smelling like 3 month un-washed ape and Goofy AF, rude, don't like people very much, blunt, direct, lack emotion, compassion and allergic to stupidity.... our lead generation game is off the charts.

We always thought that the terrible smell near that trailer came from the creek beside it.

It is all about them, their needs, what  they can get and Real Estate agents,  although evil creatures that smell funny, simply gat sick of just being used.Always focus on value first and the rest falls into place.We have a pet Real estate agent.

I'm amazed how easy it is to keep clean and perfect, especially when we stay at other places and the tubs are dirty or smell like mold.

The basement and master bedroom carpet I had removed and am wondering if I should also have the living room carpet removed because of the strong dog smell?

You can smell a rat just from those terms.  

Sometimes the "condition" question can be as simple as the home showing clean, good smells, bright light....

Seller knew the tank was there, they saw and smelled the mold, termite is normal part of selling - Seller ran through all these obstacles with the prior buyers and didn't disclose to you so my guess is they 100% knew the deck was no permit and had prior notice from the county.

Can't really put my finger on it but smells sort of like body odor, cigarette smoke and uncleaned clothes.