Yes. eSIMAdvice currently lists 40 AlpineSIM Panama plans.
The lowest displayed AlpineSIM Panama plan is Panama · 100 MB · 7 days · 4G, at $0.75.
Panama · 10 GB · 1 day · 4G is the current best-value match by displayed price per GB: $3.15/GB ($31.48 in total).
Yes. Eligible displayed prices already include the active AFFINCO coupon where the provider rule applies.