To earn money on arbs, you must use the services of scanners. It is too long and unprofitable to search for suitable bids manually, and the resulting profit will not cover the time spent. There are a lot of services for finding arbitration situations, there are paid and free scanners, software and web versions, the choice is great. A large number of different services often pose a lot of questions to the player — and which one to choose, which one is better, how they differ. Today we will give answers to these questions and tell you about the features of scanners.