The cheapest Surface is more portable but less powerful -- and you still have to buy the keyboard cover separately.
Buy Surface Go 3 (Tablet Specs, Price, Size) - Microsoft Store
Intel Pentium Gold 4415Y Dual-Core Processor 1.6 GHz / 8GB LPDDR3 SDRAM / 128GB Solid State Drive 10-inch PixelSense Full HD 10-point Multi-touch
Microsoft Surface Go 10-Inch Touch Screen Intel Pentium Gold 8GB 128 GB SSD Win 10 Pro Tablet
Microsoft's $399, 10-inch Surface Go rethinks the Windows tablet for consumers
Microsoft Surface Go: 10-inch Pentium-powered Windows tablet coming Aug. 2 for $399 - CNET
New Microsoft Surface Go 2 - 10.5 Touch-Screen - Intel Pentium - 8GB Memory - 128GB SSD - Wifi - Platinum (Latest Model) : Electronics
Microsoft Surface Go 2 Tablet, 10.5, Core M 8th Gen m3-8100Y 1.10 GHz, 8 GB RAM, 128 GB SSD, Windows 10 Pro, Silver
Buy Surface Go 3 (Tablet Specs, Price, Size) - Microsoft Store
Surface Go from Microsoft comes back for round 2, starting at $399 - CNET
Microsoft Surface Go: 10-inch Pentium-powered Windows tablet coming Aug. 2 for $399 - CNET
Microsoft Surface Go review: This shrunken-down Surface is fun and practical, but more expensive than it looks - CNET
Microsoft Surface Go review: This shrunken-down Surface is fun and practical, but more expensive than it looks - CNET
Microsoft Surface Go 3 review: A cheap Windows tablet, but not a great value