Installing a mini split yourself can save around $3,000 to $5,000 in labor...

https://blogfreely.net/rothesqlmw/how-hard-is-it-to-mount-the-indoor-unit-and-outdoor-unit-of-a-mini-split

Installing a mini split yourself can save around $3,000 to $5,000 in labor costs and cut your energy bills with SEER ratings up to 20 versus the typical 13