I am no authority on this either. But, here are the ones I've used in the past with no problems.
https://www.providentmetals.com/pr/provident-accepts-bitcoin-dogecoin-litecoin.html
https://silvergoldbull.com/payment#bitcoin
https://www.amagimetals.com/info/bitcoin/
Just providing some resources for your next purchase.
Thanks for the post.
RE: Crypto for the Average: Crypto and taxes