Amazon has this Logitech Type-S Thin and Light Protective Keyboard Case for Samsung Galaxy Tab S on sale for $39.99, use coupon code: SDTYPES2
to get an additional $19.99 off making it $19.99! This is normally priced for $99.99. This has over 200 reviews with 4.5 out of 5 stars. Shipping is free for Amazon Prime Members or orders over $35. You can go here for this deal!
Price compared to Bestbuy price of $49.99 + free shipping.