Farm Valley Merge so expensive

I totally agree with you, I love the Farm Valley Merge but it is way to expensive.  I hate to say it but I think I am going to have to quit playing it due to the expense.  The levels get harder and longer to achieve, the crystals are almost never replenished, the energy is very slow at replenishing and the tool boxes cost way to many energy to complete.  And I have no idea how I can ever get enough crystals to open the next pink area which cost over 5000 crystals.  Sure would like it if they could make it a little more user friendly instead of just all about the money.