• Buying Strategy: Buy these cards on as low price as possible, try not to engage in over bidding as it can lead to losses. 
• Holding Time: Hold onto these card till you get satisfied with your profits.
• Don’t be greedy, get satisfied with low profit, and secondly never bid high, or else you will be in loss.

NOTE: 

• Do not engage in panic buying or panic selling. Buy and hold the cards calmly based on your strategy.
• Remember, no investment guarantees a sure profit; decisions are based on market analysis and predictions.

Invest wisely at your own risk.