Mini split leak fix (100$/hr)

I've got a pretty new 4yo mini split in my adu with a coolant leak.

if you:

- Have experience locating and closing leaks with a weld.

- or have used any of the leak fix products and can do it for us.

- or, even better, can refill it with coolant after the leak fix.

I'm willing to pay 100$/hr. The big repair shops just want to do a replacement.