[color=#33CC00]Due to the war between Liberty and Rheinland, strict regulations have been put in place for who can trade what across our borders as well as what Liberty corporations are permitted to be present in Rheinland space. You should read all about these if you plan to go anywhere near Rheinland. Here are the main things to look through:
Freelancer Companion isn't as reliable as it used to be, since FLHook now controls commodity prices. FLCompanion won't detect those changes since it reads game files, not server hooks.
That being said, the age-old saying goes: "Go Discover."
Dock on stations, check the commodity vendor, look at who's buying and what other people are selling. Join an official faction, they tend to have good routes. There are a lot of options for people to trade these days.