A gift is a gift. If you want to gift your photography, I have nothing to say about it. Your right and good for you for gifting your gift.
When you pull the plug on pricing, you bring everyone else down as well, and mostly you hurt yourself worse than anyone. If you lowball the hell out of something, you will never get what it is worth… ever. Because you already set your price for that work. And clients don’t like it when your price goes up.