As SIPs allow investing small amounts on a regular basis, mutual funds are inexpensive to those belonging to different income classes.As SIPs allow investing small amounts on a regular basis, mutual funds are inexpensive to those belonging to different income classes.As SIPs allow investing small amounts on a regular basis, mutual funds are inexpensive to those belonging to different income classes.As SIPs allow investing small amounts on a regular basis, mutual funds are inexpensive to those belonging to different income classes.As SIPs allow investing small amounts on a regular basis, mutual funds are inexpensive to those belonging to different income classes.