For limited time you can safe on Canon gear at B&H Photo. Canon EOS R5…
Still live: Canon EOS 5Ds at $2,999 (reg. $3,699)
Top Rated Plus seller GetItDigital on eBay (99.7% positive ratings) has the Canon EOS 5Ds . Compare at $3,699. Free shipping in the US. Please note: this is likely a grey import item, seller warranty applies. Don’t think this will last long. More Canon deals on eBay.