The price on the belt is fine; the potion is grossly overpriced. We primarily play at lower levels, but I don't know if anyone has ever purchased a potion of Cure Serious Wounds in a game I've been in, assuming any other option (healing or otherwise) was available. You find one in a treasure horde or on a corpse, that's fine. But for your 750 gold, you can grab a fully charged wand of cure light wounds. If you need potions, grab 15 potions of Cure Light Wounds.
Over the long run, the Healing Belt is going to provide more healing than these options. You'd go through the entire supply of 15 potions in about two days. The wand, that's going to give you about a week. So, yeah, if you're constantly adventuring, the belt gives you a lot more healing. On the other hand, if you need to use all the potions or 20 or 30 charges of the wand in one day, go ahead. As long as it costs you and item slot, I think that's fair for the belt. So I'd support the 'Must wear it for 24 hours' bit - no keeping one or more in your pack solely for healing.
Basically, even before the Healing Belt, the potion of Cure Serious Wounds was horrible.
Over the long run, the Healing Belt is going to provide more healing than these options. You'd go through the entire supply of 15 potions in about two days. The wand, that's going to give you about a week. So, yeah, if you're constantly adventuring, the belt gives you a lot more healing. On the other hand, if you need to use all the potions or 20 or 30 charges of the wand in one day, go ahead. As long as it costs you and item slot, I think that's fair for the belt. So I'd support the 'Must wear it for 24 hours' bit - no keeping one or more in your pack solely for healing.
Basically, even before the Healing Belt, the potion of Cure Serious Wounds was horrible.