Pet Sitter - Full-time / Part-time

I have a harness and a long cable so no walking needed. just hook him up then let him go do his thing. his name is bayne and is a great pyrenees he is so beautiful. im going back to work for 10 to 12 hours and do not want to leave my baby alone for that long with no potty breaks. I cant afford a lot. I just need help to make sure my boy is ok