Hydraulic cam core Used for a.roller regrind?

What is the cost of doing a regrind compared to buying a new cam? Just curious as i would queation is there much of a value to risk reward?
Rod


I believe the real issue is finding a blank cam core to grind one...

The small blocks are long out of production and who is going to make a raw cam core for an obsolete engine??? Not enough volume/profit to make it worth while...