Although the real estate business may not be so suitable in the United States, it is not the case that this business is not profitable in other countries of the world. Especially Asian countries including Pakistan, India and Bangladesh etc. This business is quite profitable. People buy and sell property and earn huge profits. But it requires experience.
But on the other hand, Bit coin trading also involves experience and constant hard work and study. And people do successful business through crypto currency too.
You are right. If real estate is not profitable in some part of the world, it will be in the other parts, which is right, and generally it is usually profitable in almost all part of the world because people would live in a shelter, and they will either buy or rent one which is why real estate will always remain profitable despite the economic situation.
Bitcoin on the other hand is also profitable, and it is a store of value which can help you against inflation.
Bitcoin investment gives you total privacy, no one need to sign for you to own Bitcoin, it can be with you for long and no government will ask you for revenue or task for holding Bitcoin because they don't know if you are holding one or not. With Bitcoin Investment, you will have financial freedom, and if you didn't tell anyone about it, you will be fully secured because know knows you have such huge amount of money; while having land or house property expose you to some security threats because people will definitely expect you to have money.