Pay under spot price assuming you are using a 2% cash back Credit card.
Generic gold bar
https://www.ebay.com/itm/Daily-Deal-Republic-Metals-1-oz-Gold-Bar-Sealed-Red-Assay-Card-SKU44285/142194298804?hash=item211b70cfb4:g:DKsAAOSw44BYPIXg
ebay gold bar
https://www.ebay.com/itm/eBay-Perth-Mint-1oz-Gold-Bar-9999-Fine-in-Assay/331754434985?hash=item4d3e1af1a9:g:CP0AAOSwgYVZzmkB
GCML (recommended, as it is pennies on the dollar more)
https://www.ebay.com/itm/SPECIAL-PRICE-1-oz-Gold-Canadian-Maple-Leaf-Coin-Random-Year-BU-SKU-87709/122771701281?epid=208596890&hash=item1c95c37e21:g:gJMAAOSw9mFWNPxm
Some silver under spot maybe ?
https://www.ebay.com/itm/100-pc-1-oz-Silver-Round-RMC-Republic-Metals-Corp-999-Fine-5-Rolls-of-20/371607904267?hash=item56858ea00b:g:tZEAAOSwLdBaPS3V
All prices are valid at the time of posting.