Installing a mini split system yourself is easier than you think, especially...

https://mag-wiki.win/index.php/How_Long_Does_a_Dual-Zone_Mini_Split_Install_Take_for_a_DIYer%3F

Installing a mini split system yourself is easier than you think, especially with pre-charged R-454B quick-connect linesets that eliminate the need for a vacuum pump or EPA Section 608 license