Your biggest fear shouldn't be illegal copies, but people presenting themselves as somehow legitimate and re-selling your software. You can get people calling y

Your biggest fear shouldn't be illegal copies, but people presenting themselves as somehow legitimate and re-selling your software. You can get people calling your support number because a cracked version isn't working, creating costs with no sale. Make sure you have a plan for when that eventually happens. Some of those people can be converted to paying customers, but the rest can at least tell you where they got it.