Thwy make it really hard to get gems and make the game hard and not enjoyable by doing so. i spent all the gems i had to enter a competition that I then realised was only possible to complete if you upgraded all of your interior and kitchen. I'm on the penultimate level of the challenge and its impossible to move forward and get the prize reward. I was enjoying ut up until that point. Annoying thing is aswell is i spent real money on getting the gems i need and in the long run spent more