Yes. eSIMAdvice currently lists 39 eSIModo Gambia plans.
The lowest displayed eSIModo Gambia plan is Gambia · 1 GB · 5 days · 4G, at $4.05.
Gambia · 50 GB · 15 days · 4G is the current best-value match by displayed price per GB: $1.01/GB ($50.37 in total).
Yes. Eligible displayed prices already include the active ESIMADVICE coupon where the provider rule applies.