The more congested the network, the more fees you pay. Therefore, you must choose the appropriate times if you want to pay less fees.
Don't make the network more crowded, use https://jochen-hoenicke.de/queue to find out the right fees and use this opportunity to get fast confirmations and small fees.
Theoretically the cost increase is caused by a complete system with ever increasing transactions. This has been a problem that is always faced by bitcoin users. I had to pay a +1 usd fee some time ago to move the amount of bitcoin in my wallet. But everything is now changing and the cost is very low and in the range of 1-5 sat/ byte.Don't make the network more crowded, use https://jochen-hoenicke.de/queue to find out the right fees and use this opportunity to get fast confirmations and small fees.
I am sure this site is very useful. https://jochen-hoenicke.de/queue.