Yes. eSIMAdvice currently lists 60 ConnectMeGuru Panama plans.
The lowest displayed ConnectMeGuru Panama plan is Panama · 100 MB · 7 days · 4G, at $0.93.
Panama · 20 GB · 20 days · 4G is the current best-value match by displayed price per GB: $2.15/GB ($43.07 in total).
Yes. Eligible displayed prices already include the active ESIMTWEAKS10 coupon where the provider rule applies.