Barter, Exchange and Trade Credits . I discovered something when living overseas that I feel is extremely important to the exchange business: That while transferring title between real estate properties internationally could be more difficult than in the states, barter for goods and services crosses borders very easily. This opened my eyes and I also found that almost all the formulas and strategies we use in real estate work in barter. Every commodity delivers another complete genre of things that can be bartered, traded or swapped. The world becomes an unending source of assets to work with when Barter comes into play. This book will open your eyes.