Also as to this question...
Originally Posted by
wishman35
Does anyone know if there is an issue using the Marriott e-gift cards on stays booked with Explore Friends/MMF?
they have that great 20% offer but wouldn’t want to risk that not being usable
Originally Posted by
escapefromphl
There should be no issue, gift cards are a valid form of payment.
... can confirm, both recent stays I mentioned above were settled to a gift card bought during the 20% off promo.