StackSocial has 6-Month Tello Prepaid Plan: Unlimited Talk/Text + 2GB LTE Data/Month on sale for $49 - Extra 15% Off w/ promo code FB15OFF
(apply in cart) = $41.65 (valid for New Members only). Pay with a card enrolled in the Amex Small Business for an additional $5 off for a net cost of $36.65.
Amex Offers: Eligible Small Business: Spend $10+ & Receive $5 Credit (Valid for Select Cardholders)
Note, must apply the listed promo code to receive discount. Must stay on this plan for 6 months in order to keep the offer. If you change the phone plan, the offer will not longer apply going forward.
Check the coverage in your area & phone compatibility