frank1492 writes:

Is there anything that would prevent me from being able
to install a mini-split without professional help?

No. I know do-it-yourselfer's who have successfully installed mini-splits.
The bigger problem is whether you will get it right enough the first time,
and whether you're willing to deal with the possibility of fouling it up.

If your bent is to do it yourself, I would encourage you to do so.