PS fluid replace ripoff?

So I had some stuff done today, been wanting to get the PS fluid replaced so I had them do it, lady told me $80! Is this normal? She says its because they use some special machine, Im thinking about $8 worth of ATF and 30
minutes of labor.
I heard theres a DIY way of doing it where you disconnect a line from the resevoir, turn the wheel one way then the other to force it out and do the same to bleed the air out once refilled, but Im thinking this might cause some stress to the steering system since your steering with little or no fluid in there.
One other thing while I'm at it, tie rod ends... easy to do? Does it affect my alignment? I had the alignment done today and they're telling me I need new ones.
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[This followup was posted to alt.autos.ford and a copy was sent to the cited author.]

ATF is rarely, if ever, used for power steering these days. There is special fluid for it.
I don't think most pumps have a drain, so it can be difficult to impossible to drain. On some, you can suck out some fluid from the tank, but there will still be alot in the lines and steering rack. I would guess the replacemnt method is similar to the way it's done on transmissions. They remove a hose and connect the output to a waste tank, and the input to fresh fluid. You start the car, and all the fluid is replaced.

The main key is to remove the right hose, and to keep the tank full.
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the owners manuals says to use Mercon ATF as PS fluid.
says...

replaced so

the
the
cause
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Ford still uses Mercon V fluid. Although they do have an official P/S fluid also.
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$80 to replace PS fluid is outrageous. They've already paid for that machine ten times over at that rate.
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