Yes. eSIMAdvice currently lists 23 AlpineSIM Samoa plans.
The lowest displayed AlpineSIM Samoa plan is Samoa · 500 MB · 1 day · 4G, at $1.99.
Regional · 8 countries · 10 GB · 1 day · 5G · Oceania is the current best-value match by displayed price per GB: $2.34/GB ($23.40 in total).
Yes. Eligible displayed prices already include the active AFFINCO coupon where the provider rule applies.