How do i manage my trade when it hits my target area?

Once a coin hits my target i only Keep a small amount with me just in case if there is more upside left to take more advantage.

if price dropped from that area which is always likely because i take profits at the area where i think price can reverse so that means I'm always ready for that outcome.

A reversal from my take profit areas doesn't bother me at all because i take maximum profits already.

It's always okay to keep a small percentage to get some bonus profits. if it works that's great and if it doesn't that's not a problem because you've already closed Majority of your trade.