With Proof of stake coins, sometimes you can profit more by staking as opposed to masternode set rewards (I know, but it is how they are designed)
So if you invest in a staking / Masternode coin, do check the network MN / Staking linear scale, anything of 50% sway one way, and you could do well.
Of course with staking the more coin you hold on the network with accrued active time, the more of a chance of a stake or reward - the networks will always adapt / change difficulty etc but as long as you are taking part (and the wallet is unlocked for staking) you are in with a chance of a reward.
Keep on staking!
Nowdays POS/MN coins mostly scam. Also mostly scam all coins, there MN reward more then 50%. I dont say, that you must not buy it. You can get huge profit with such MN but you have to control it all the time to drop at the right moment.
As for me, for a several weeks, or even months, it is possible to buy or mine coins with 50% or less MN reward only. No one coin(except DASH) cant say why it need MN.