Yes. eSIMAdvice currently lists 17 AlpineSIM Anguilla plans.
The lowest displayed AlpineSIM Anguilla plan is Regional · 25 countries · 500 MB · 1 day · 5G · Caribbean, at $3.35.
Anguilla · 20 GB · 30 days · 4G is the current best-value match by displayed price per GB: $4.26/GB ($85.23 in total).
Yes. Eligible displayed prices already include the active AFFINCO coupon where the provider rule applies.