The skill of finding cheaper goods and selling them at a higher price. You will like sites like evemarket. It's also worth upgrading the Gallentean cargo ships. Since the Gallenteans have special ships for minerals, ores, planetary ships, ice. The Matars have a truck for ammunition and gas.

It is important to remember that in trading you make a profit when you buy a product, not when you sell it. For example, if the mineral mexallon costs 63 on the market, and you bought it at 50, in the amount of 1kk minerals, then you earned ((63 - 10%) - 50) * 1,000,000 = 6kk ISK. And so with any product.

How to get 1kk sp on main / Как получить на основу 1кк сп?
On any account, even an old one, follow the link, and at the bottom under the fields, click "Log in to become a recruit". You don't need to fill out the form: 1млн навыков бесплатно сп / 1mln free skills.

Often some cruisers are sold at 8-9kk in one place, and bought at 13-14kk in another. That is, you can transport about 30 cruisers and get 70kk profit

There was a case when a ship that cost 70 was sold for 30. And thus I managed to earn 40 kk in half an hour
It is important to remember that in different sectors, products are sold at different speeds; as a rule, the less competition, the slower the product sells.

You should start trading if you have at least 100kk in your hands.