Their difficulties can be attributed to so many factors like: 1. Lack of start up capital 2. Lack of will-power (inability to start and finish a task) 3. Procrastination 4. Fear of failure and criticism There are other factors too but the best way to surmount those difficulties is to START with the little you have.
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If you want to drink honey you must be patient from the bite of the bees So you must work hard Goodluck