Comment by toomim

The cost is increasing because more people are trying to use Bitcoin, but it has an artificial limit to the number of people who can use it per second. Thus, with increasing demand, and static supply, the fees rise roughly quadratically over time.

To reduce the fees, we need to remove that artificial 1mb limit. Here's the main approach to that right now: https://www.bitcoin.com/info/what-is-bitcoin-cash