Answer: yes, EVERYWHERE. Pick a planet, find a cheap-selling, known good commodity, and go sell it somewhere. Some examples of good buy locations and commodities. (No, i will not give you sell locations, but there are QUICK routes out there for these)
Boron: Trenton OR Pittsburgh (New York)
Lux Food: Cambridge (Cambridge)
Engine Components: Ring OR New Berlin (New Berlin) OR Honshu (Honshu)
Gold: Graves OR Arranmore (Dublin)
Deuterium: Canaria (Omega49) - just don't let the SCRA catch you through O52, find another route (hint, there is one)
Light Arms: Detroit (New York) OR New London (New London)
