Qwertycoin is now (a bit) mainstream and some new miners join the boat and start mining in this Project. This is a healthy grow of the entire network. As we said we working on this heavy branch.
But this will NOT decrease the difficulty. The Difficulty raise over the time like the decreasing Block Reward. If we reach higher Block heights the difficulty will raise up too.
And then what to do? For mine I use CPU, the cost of electricity is more expensive than the cost of coins I get.
On one enthusiasm, the coin does not survive long.
You will definitely loose money if you sell what you mine because electricity is expensive. This approach is going to work only if you're OK with the idea that their value will probably appreciate in time.