There's your answer. Sell it as a novelty coffin, you might have more luck
Done her in and hidden her body. One guess where it might be.
Burn the body and get rid of evidence...
on another thought with all the trouble getting rid of the TV..dont bother..just leave it in the hall no one will notice and at least you wont have anybody tripping over it
or option 3 for fleabay..TV £50 and body thrown in free