Note: you may have to click through the last checkout page and ‘clip’ the coupon to see the discount (see attached screenshot).
Best Buy.com has select Samsung Galaxy Tab S4 10.5" Tablets w/ S Pen on sale listed below when you apply offer "Save $100 on select Samsung Galaxy Tab S4 models" on product page or in cart (you may enroll here for EDU offers , .edu address is not required). Shipping is free or select free store pickup where available.
Prices after $100 off EDU coupon: