The caskets are cheaper than non-jews
However you have to rent the funeral home (Or have a gravesite service which is cheaper)
You have to buy the plot , you have to open the grave and you have to seal the grave. You might or might not have to pay a rabbi. You also have to buy a Stone.
Price it out, its about $10,000-$15,000 for a funeral home service and about $8000-$12,000 for a grave site service