Here is a list of my favorite shops that I have either bought from, or know people who have positive transactions with, so all of these shops are trusted and safe. Let me know if you'd like to add a shop!
Investigating Equipment:
Ghost Hunters Store
Get Ghost Gear
Paranormal Investigation Outfitters
Paranormal Detection Equipment
New Age Shops:
The Illuminated Spirit
13 Moons
Mystic Familiar Shop
Natural Magick Shop - This is one of my personal favorite shops!
New Age Spirituality Store - This store has a lot of New Age items, as well as religious items
Religious:
Shields of St. Michael - I love this shop!