When I say not an alchemist, I mean to the degree of Nicholas Flamel who was the only known maker of the Sorcerer's Stone. Many people know math well, but don't

When I say not an alchemist, I mean to the degree of Nicholas Flamel who was the only known maker of the Sorcerer's Stone. Many people know math well, but don't call themselves mathematicians. I agree some of the wealth could have been inherited (on the Potter side), but being highly clever, Harry's parents certainly had earning potential as well.