Looks like it can get cheaper with a subscribe & save discount (which you can obviously cancel after receipt).
King C. Gillette Double Edge Safety Razor Chrome Plated Handle with 5 pack Platinum Coated Refills https://smile.amazon.com/dp/B08FF44M1H/ref=cm_sw_r_cp_api_glt_fabc_4S7FZPD8M56EC7SC3S0P
King C. Gillette Double Edge Safety Razor Chrome Plated Handle with 5 pack Platinum Coated Refills https://smile.amazon.com/dp/B08FF44M1H/ref=cm_sw_r_cp_api_glt_fabc_4S7FZPD8M56EC7SC3S0P