What items from the Store are worth to buy?

Question

The Store has many useful things, from tools to services and consumables, but I was calculating the Gold Converter and it didn't seem to worth, since TC is 30K at my server so it would cost 150K to convert 50K, also saw many poeple regret from Gold Pouch. What items from the Store are worth to buy? Is there a TC market price limit for them to worth?

List of Store items:

• Prey Wildcard - 50TC/5 or 200TC/20
• Temple Teleport - 15TC/1
• Magic Gold Converter - 15TC/500 charges
• Gold Converter - 5TC/500 charges
• Permanent Prey Slot - 900TC
• Gold Pouch - 900TC
• Charm  Expansion - 450TC
• Instant Reward Access - 100TC/30 charges
• Permanent Hunting Task Slot - 750TC
• XP Boost - 30TC, 45TC, 90TC, 180TC, 360TC
• Exercise Dummy
• Blessing Regular - 15TC
• Blessing Enhanced - 25TC
• Blessings All Regular - 130TC
• Blessing Twist of Fate - 8TC
• Blessing Death Redemption - 260TC
• Mana Cask - 5TC/1000 vials
• Strong Mana Cask - 9TC/1000 vials
• Great Mana Cask - 14TC/1000 vials
• Ultimate Mana Cask - 42TC/1000 vials
• Health Cask - 5TC/1000 vials
• Strong Health Cask - 11TC/1000 vials
• Great Health Cask - 22TC/1000 vials
• Ultimate Health Cask - 36TC/1000 vials
• Supreme Health Cask - 59TC/1000 vials
• Great Spirit Cask - 22TC/1000 vials
• Ultimate Spirit Cask - 42TC/1000 vials
• Exercise Weapons - 25TC/500 charges
• Durable Exercise Weapons - 90TC/1800 charges
• Lasting Exercise Weapons - 720TC/14400 charges
• Mana Keg - 26TC/500 vials
• Strong Mana Keg - 43TC/500 vials
• Great Mana Keg - 66TC/500 vials
• Ultimate Mana Keg - 202TC/500 vials
• Health Keg - 26TC/500 vials
• Strong Health Keg - 53TC/500 vials
• Great Health Keg - 103TC/500 vials
• Ultimate Health Keg - 175TC/500 vials
• Supreme Health Keg - 288TC/500 vials
• Great Spirit Keg - 105TC/500 vials
• Ultimate Spirit Keg - 202TC/500 vials
• Mana Potion - 6TC/125 vials
• Mana Potion - 12TC/300 vials
• Strong Mana Potion - 7TC/100 vials
• Strong Mana Potion - 17TC/250 vials
• Great Mana Potion - 11TC/100 vials
• Great Mana Potion - 26TC/250 vials
• Ultimate Mana Potion - 33TC/100 vials
• Ultimate Mana Potion - 79TC/250 vials
• Health Potion - 6TC/125 vials
• Health Potion - 11TC/300 vials
• Strong Health Potion - 10TC/100 vials
• Strong Health Potion - 21TC/250 vials
• Great Health Potion - 18TC/100 vials
• Great Health Potion - 41TC/250 vials
• Ultimate Health Potion - 29TC/100 vials
• Ultimate Health Potion - 68TC/250 vials
• Supreme Health Potion - 47TC/100 vials
• Supreme Health Potion - 113TC/250 vials
• Great Spirit Potion - 18TC/100 vials
• Great Spirit Potion - 41TC/250 vials
• Ultimate Spirit Potion - 33TC/100 vials
• Ultimate Spirit Potion - 79TC/250 vials
• Runes Disintegrate - 5TC/250
• Runes Icicle, FBall, Explosion, FField - 6TC/250
• Runes Stone Shower - 7TC/250
• Runes EField - 8TC/250
• Runes Thunderstorm, Soulfire - 9TC/250
• Runes PWall - 10TC/250
• Runes Ava, GFB, FWall - 12TC/250
• Runes Cure Poison - 13TC/250
• Runes Convince - 16TC/250
• Runes EWall, PBomb - 17TC/250
• Runes IH - 19TC/250
• Runes MWall - 23TC/250
• Runes SD - 28TC/250
• Runes FBomb - 29TC/250
• Runes UH - 35TC/250
• Runes EBomb - 40TC/250
• Runes Chameleon - 42TC/250
• Runes Animate Dead - 75TC/250

I know the list is long, but tried to make the research easier by bringing all items and prices, and I really believe that with community effort we can answer this, so post and comment if you're sure about one, many or all items!