Route or Station Trading?
Route / Hauler Trading
Find best trades between two trade hubs. Buying sell orders at one, and selling them directly to buyers at the other. These trades can happen immediately.
For more information see: Hauling 101
Placing buy orders at a station for the buy price. Once the buy order is filled, you sell the items at the same station for the cheapest price. This is a slower process but requires nothing but capital. No ships or storage requirements.
For more information see: Station Trading 101
Are character skills taken into consideration?
No. Verify that ROI is not negative when considering tax and broker fees. When in doubt set ROI to 5%.