Yes. eSIMAdvice currently lists 6 RedteaGO Chad plans.
The cheapest RedteaGO Chad plan is Global · 138 countries · 1 GB · 1 day · 4G, at $2.75.
Global · 138 countries · 1 GB · 1 day · 4G has the lowest price per GB right now: $2.75/GB ($2.75 in total).
Yes. The prices shown already include the RTGF95CDO coupon where it applies.