If you are interested in doing business, you must think about how you are known and what your surroundings are like. Because if you do business with turkey, you will suffer. Then it could be very bad for you. I say this for when a man wants to trade in turkey. He wants to do it with a lot of hope, So you have to think carefully about every decision you make so that you don't get hurt in any way.

I am from a country where crypto currencies are strongly legalized. I know about the hardware wallet security it's best for the long-term bitcoin holder. Now is there anyway to import a hardware wallet to any country where crypto currencies are illegal ?
And one more things I wanna know that how can I chose a best budget friendly hardware wallet? 

It's why the guide is pinned there in the first place. Read through it again carefully. It emphasizes traders to meet up in public places where there are so many people to avoid scenarios where one can be robbed on gun point or mugged minus any witnesses.

Personally, I have heard some cases where people were robbed off their bitcoins under gun point because they chose to meet trading partners in secluded places.