Installing a mini split yourself can save money but requires careful planning....

https://www.rankbookmarkings.win/thinking-about-a-diy-mini-split-install-i-break-down-the-basics-like-drilling

Installing a mini split yourself can save money but requires careful planning. This article shows how to drill the correct 3-3.5 inch hole through your wall for the lines and explains choosing between 115V and 230V power options