What is the cheapest printer ink per page?

As of October 8, 2026, 06:03 UTC, the cheapest printer ink per page BuyPerUnit tracks is the Faslvink Compatible Ink Refill Bottles Replacement for Epson 502 Ink Black at $0.0005/page ($15.99 at Amazon). The median across 969 in-stock listings is $0.0388/page; anything under $0.0159/page beats three quarters of them. Price per page is the cartridge or bottle price divided by its manufacturer-rated page yield, so high-yield (XL) cartridges and ink-tank bottles dominate the top of the ranking.