I'll punctuate my clue a little better and correct it.
An Object. Any one of the following combinations 
Animal + Mineral + Vegetable (most expensive)
or
Animal + Mineral + Mineral (mid priced)
or
Mineral + Mineral + Vegetable (mid priced)
or
Mineral + Mineral + Mineral (cheapest)
Any advice on grandchild/granny relationship problem



. However I am a hypocrite as I eat meat 