Thanks for the replies. Let me add this. The contractor came out again today to do a restrip and completed the whole job including equipment setup and teardown in 20 minutes. My wife has stated that the "old stain still looks the same".
I also ask how stong of a stripper could they be using if they are running it throught the power washer? I thought that strippers (real strippers) were failry caustic and would reak havoc on a power washer. Maybe just best for me to finish this job on my own.