Perhaps you should consider that mining has all of the risk of buying coins, plus the unique risks of mining on top.  If the coin price goes down your mining margin can go negative and you will never recover your investment, plus you will lose your labor and operating costs.  That happens while a coin investor still has most of their original investment available to them.  Even worse, difficulty growth can mean that even increasing price doesn't help you.  Bitcoin could triple while your money is waiting for equipment to be shipped to you.  You may make a $ profit, but it will be pennies compared to the gain a simple investor makes.

If you haven't comprehended this already you definitely need to rethink your investment strategy.  Or at least learn more before burning your money.