The first card is The Chariot reversed. This card speaks of a situation where an important decision has to be made, but there are several factors to consider. It also symbolizes uncertainty and the need to be cautious when making important decisions. In the context of your question, this chart could indicate that there are several factors to consider when it comes to trading commodities for the long term. You may have to make tough decisions, but you need to be aware of your financial situation and be prudent in investing.

The second card is the King of Swords. The King of Swords is a strong and decisive leader who knows how to make the right decisions and is capable of handling complex situations. Also, the sword is a symbol of logic and rationality, so this card suggests applying logic and rationality in decisions related to long-term commodity trading. Furthermore, this card can also indicate that you must be willing to face the obstacles that will come your way.

The last card is the reversed Six of Pentacles. This card speaks of difficult choices to face and indicates that you must carefully weigh the consequences of your actions before deciding how to proceed. Furthermore, the card may also suggest that you can make big gains, but you must also be ready to accept any financial losses in the future.

Bottom line, the odds of making a big profit through long-term commodity trading depend on your ability to make educated decisions based on logic and rationality. You must also be prepared to face any obstacles and accept any financial losses in the future. The answer to your question is therefore: yes, there is a possibility of large gains through long-term trading, but prudent and considered decisions must be made and be prepared to accept any future financial losses.