They may not be able to get response by the people as much as they want because they are not socially connected to much during starting.
Trust issue is the other factor when you try something different there may be possibilities when customer may not use your service or product because they are not told anything about that. building trust and making a team is very difficult task when business is started.
They may not able to get proper fund for their business , sometimes the problem of communication may accour .
So there must be some procedure or steps a entrepreneur must follow .