I certainly get what they're saying about quality over quantity and would generally agree, this just sounds like you wanted a low cost project that you could enjoy and I don't think you'll really regret doing that. You may want to sell it one day but wanting to move on a regret are different things.
Typeset approach #4532: consider cracking coins out of slabs, putting them in airtites and arranging your type set in a coin cabinet for all to admire.