Yes. eSIMAdvice currently lists 4 RedteaGO Lesotho plans.
The cheapest RedteaGO Lesotho plan is Lesotho · 1 GB · 30 days · 4G, at $5.70.
Lesotho · 5 GB · 30 days · 4G has the lowest price per GB right now: $4.37/GB ($21.85 in total).
Yes. The prices shown already include the RTGF95CDO coupon where it applies.