Wait for XMR to crash and buy the dip, then wait for the next pump and you'll double your money.
i don't think xmr would rise much again like before, it will like ethereum after the price spike high then would play at same range price.
I think any altcoin that you use to invest will always be at risk. would be very scary if you're using a $ 100k just to invest in altcoin alone. I think you have to be clever in dividing your money on an investment