Yes. eSIMAdvice currently lists 25 Stellar eSIM Sierra Leone plans.
The lowest displayed Stellar eSIM Sierra Leone plan is Sierra Leone · 500 MB · 1 day · 4G · + Free VPN, at $2.04.
Sierra Leone · 10 GB · 1 day · 4G · + Free VPN is the current best-value match by displayed price per GB: $1.77/GB ($17.73 in total).
Yes. Eligible displayed prices already include the active ESIMTWEAKS coupon where the provider rule applies.