Nowadays it is a very common question of the young generation who want to start a business with zero investment. we can get a professional degree but unable to do start a business because we think we have the required good investment to start a business, but business doesn't need investment. there is the question raised. How? First, we start to identify a problem in our life. if we observed that we face lots of different problems in daily life. identify the biggest problem in our life, then start finding the best solution, if you find the best solution to your problem, then think about this problem face other people also? if the answer is Yes, It means you got an idea of your business. now check the feasibility of the idea which you got them. don't think too much about fail. execute your idea on a small scale. now we can understand through an example. supposed you a wall a for a clean mattress service but you don't satisfy for services. you try another clean mattress service again you unsatisfied, and both charge $300. now think you can do it better and clean your mattress own your self. it may you can need some chemicals and equipment supposed all chemical and equipment cost is maybe $300 it can be affordable for anyone. now you can offer your service at half rate, free trial, and provide the best service at half rate. if you can succeed then expand it and make a team or whatever you feel good for your business it's up to you. in case you fail in a business pack all chemicals and equipment and gifts your mom. your mattress was clean and you learn a new skill, how to clean a mattress. there will be no loss and no profit in case of failure.