Chrono Trigger/Markets

Ioka Trading Hut
All transactions must be made of three of each trade item (Fang, Feather, Horn, or Petal).

First Time

 * Petal + Fang = Ruby Gun
 * Petal + Horn = Sage Bow
 * Petal + Feather = Stone Arm
 * Fang + Horn = Flint Edge
 * Fang + Feather = Ruby Vest
 * Horn + Feather = Rock Helm

Second Time

 * Petal + Fang = Dream Gun
 * Petal + Horn = Dream Bow
 * Petal + Feather = Magma Hand
 * Fang + Horn = Aeon Blade
 * Fang + Feather = Ruby Vest
 * Horn + Feather = Rock Helm

Enhasa
Vendor: Woman
 * Tonic: 10
 * Mid Tonic: 100
 * Full Tonic: 700
 * Heal: 10
 * Revive: 200
 * Shelter: 150
 * Ether: 800

Kajar
Vendor: Sleeping Nu

First Time

 * Tonic: 10
 * Mid Tonic: 100
 * Full Tonic: 700
 * Heal: 10
 * Revive: 200
 * Shelter: 150
 * Ether: 800

Second Time
You must reply "No" to the Nu's question about having Schala's Pendant.
 * AlloyBlade: 21,000
 * Big Hand: 18,000
 * Pearl Edge: 22,000
 * Lode Vest: 8500
 * Lode Helm: 6500
 * Tonic: 10
 * Mid Tonic: 100
 * Full Tonic: 700
 * Heal: 10
 * Revive: 200
 * Shelter: 150
 * Ether: 800

Algetty (Terra Cave)
Vendor: Man in North Cave
 * Demon Edge: 17,000
 * CometArrow: 7800
 * Megablast: 9800
 * MegatonArm: 15,000
 * FlashBlade: 18,000
 * Lumin Robe: 6500
 * Flash Mail: 8500
 * Glow Helm: 2300
 * Tonic: 10
 * Mid Tonic: 100
 * Full Tonic: 700
 * Heal: 10
 * Revive: 200
 * Shelter: 150
 * Ether: 800

Last Village
Vendor: Nu
 * Tonic: 10
 * Mid Tonic: 100
 * Full Tonic: 700
 * Heal: 10
 * Revive: 200
 * Shelter: 150
 * Ether: 800

Truce Market

 * Iron Blade: 350
 * Dart Gun: 800
 * Karate Gi: 300
 * BronzeHelm: 200
 * Tonic: 10
 * Heal: 10
 * Revive: 200
 * Shelter: 150

Dorino Market

 * Tonic: 10
 * Mid Tonic: 100
 * Heal: 10
 * Revive: 200
 * Shelter: 150

Porre Market

 * Gold Suit: 1300
 * Beret: 700
 * Tonic: 10
 * Mid Tonic: 100
 * Heal: 10
 * Revive: 200
 * Shelter: 150

Leene's Square

 * Melchior's Weapons:
 * Iron Blade: 350
 * Lode Sword: 4000


 * Item Merchant:
 * Tonic: 10
 * Heal: 10
 * Shelter: 150
 * Revive: 200


 * Armor Merchant:
 * Karate Gi: 300
 * Bronze Helm: 200

After the Trial

 * Red Katana: 4500
 * Robin Bow: 2850
 * Plamsa Gun: 3200
 * Hammer Arm: 3500
 * Titan Vest: 1200
 * Tonic: 10
 * Mid Tonic: 100
 * Heal: 10
 * Shelter: 150

Porre Market

 * SteelSaber: 800
 * Iron Bow: 850
 * Dart Gun: 800
 * Karati Gi: 300
 * BronzeMail: 520
 * BronzeHelm: 200
 * Tonic: 10
 * Heal: 10
 * Revive: 200
 * Shelter: 150

Snail Stop

 * Jerky: 9900

Medina Village Market
Note that these aren't worth buying.
 * Iron Blade: 65,000
 * SteelSaber: 65,000
 * Demon Edge: 65,000
 * Lumin Robe: 65,000
 * Flash Mail: 65,000
 * Glow Helm: 65,000
 * Tonic: 2170
 * Mid Tonic: 21700
 * Full Tonic: 65,000
 * Heal: 2170
 * Revive: 43,400
 * Shelter: 32,550
 * Ether: 65,000

Melchior's Home

 * Red Katana: 4500
 * Robin Bow: 2850
 * Plasma Gun: 3200
 * Hammer Arm: 3500
 * Titan Vest: 1200
 * Tonic: 10
 * Mid Tonic: 100
 * Revive: 200
 * Shelter: 150

Fiona's Shrine

 * Sight Cap: 20000
 * Memory Cap: 20000
 * Time Hat: 30000
 * Vigil Hat: 50000

Bangor Dome
Vendor: Save your money Man
 * Auto Gun: 1200
 * Iron Suit: 800
 * Iron Helm: 500
 * Tonic: 10
 * Mid Tonic: 100
 * Heal: 10
 * Revive: 200
 * Shelter: 150

Arris Dome
Vendor: Little Girl
 * Auto Gun: 1200
 * Iron Suit: 800
 * Iron Helm: 500
 * Tonic: 10
 * Heal: 10
 * Revive: 200
 * Shelter: 150