I've been researching and it seems the best way is by buying government minted coins as they are easily identified, popular, and more difficult to counterfeit. The most popular gold coins in the US are Gold Eagles, Buffaloes, and Canadian Maples. The premiums on the maples are a little lower.
You have to pay a premium over the spot price but you'll get a little of the premium back when you sell plus any appreciation/depreciation.
I talked to a local dealer today actually and he said he will pay $30 over spot and sell for $100 over spot for the full 1 oz coin. You pay a lower premium percentage for a full 1oz coin compared to fractional amounts. Seems in line with what I saw online too.
This YT channel has a lot of good information.
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