Yes. eSIMAdvice currently lists 30 AlpineSIM Nigeria plans.
The lowest displayed AlpineSIM Nigeria plan is Nigeria · 100 MB · 7 days · 4G, at $0.59.
Nigeria · 20 GB · 30 days · 4G is the current best-value match by displayed price per GB: $2.46/GB ($49.27 in total).
Yes. Eligible displayed prices already include the active AFFINCO coupon where the provider rule applies.