after a little the shops do get expensive, but you gotta think about it, first you start with a lemonade stand, then you get lemonade booths, then stores, not to mention wages, insurance, benifits, over time, it adds up yknow.
Thank You for your hard word devs, this is the 2nd game i know of that has a dev working on updates and bug fixes. unlike thos that post a game but ignore it right after. i can name a few.