Yes this is one of the problems that bitcoin has to overcome if it ever wants to be something more than an investment currency. You are not the first who notice

Yes this is one of the problems that bitcoin has to overcome if it ever wants to be something more than an investment currency. You are not the first who notices this problem, see e.g. https://en.bitcoin.it/wiki/Deflationary_spiral https://en.bitcoin.it/wiki/Deflationary_spiral