**SAVE $199.01: **The 11-inch Apple iPad Air (M3, WiFi + Cellular, 256GB) is discounted to $649.99 during Amazon's Big Spring Sale. That's 23% off its $849 MSRP, its biggest discount to date. It now costs the same as a WiFi-only model. Opens in a new window Credit: Apple Apple iPad Air, 11-inch (M3, WiFi + Cellular, 256GB) $649.99 at Amazon $849 Save $199.01 Get Deal Apple announced the M4 iPad Air earlier this month, which means Amazon is clearing out its remaining stock of the (very similar) M3 version during its Big Spring Sale this week. If you're hunting for a bargain on a pretty, peppy, and portable tablet, look no further. In one of the sale's best last-gen tech deals, an 11-inch M3 iPad Air with 256GB of storage and cellular connectivity is marked down to just $649.99 on Amazon as of March 28 — a 23% discount on its usual retail price of $849. Not only has it never been cheaper before, but it now costs the same as its also-on-sale WiFi-only counterpart (normally $699, currently $649).…