I'd say the main cause of 'rising prices' in the US- under the current System (Fed Res System, et al.)- is that NObody can compete ('outspend') an institution that can pay off, blackmail, & buy out ANYone still willing to accept their fake digits. The Fed is out to 'Own it ALL'.
...And every time they 'print' more, 'our' currency is worth less.
...And every time they 'print' more, 'our' currency is worth less.