Solution: Yourself.
It has five wheels, though often think four, You cannot use it without that one more, You can put things in it, you can strap things on top, You can’t find it in the market, but you can still go shop. What is it?
When you walk by it you wouldn't buy it. But when you do buy it you wouldn't use it. When you do use it, you wouldn't know that you're using it. What Is It?
What is greater than gold but cannot be bought. it can never be sold and can earn if its sought. though it can be broken, it can still be fixed. for by birth it can’t start nor by death it is ended. What am i?
You can have me But cannot Hold me, Gain Me and Quickly lose me, If Treated with Care I can be Great, And if Betrayed I will Break, What am I ?