Though as it was stated that the Credit Card is the safest method of a sale, but only in terms of disputing fraudulent charges, or not receiving goods, defective and return items.
I visited my online retailer to explore purchase method options and found that they offer prepaid Gift Cards. One can opt to buy any denomination of these GC’s with a credit card and as for items... they won’t show up on the monthly CC statement.
Essentially a prepaid gift card is cash sale and since these GC’s can be sent digitally, the redeemable funds are instantly available for use.
Worth considering?