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I usually pole sand walls with 120 or used 100 just to get any smutz off and make it smooth to the touch. Not much pressure at all. Really quick.

While doing that, I get a chance to really inspect the walls and sand anything that stands out. Otherwise,

On textured walls, minimal to no sanding is fine. Being textured helps the paint stick. Where I'm at everything is textured, knock down or just splashed on.
 

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Well i was taught that if the Painted surface/Latex or oil based should have any gloss/shine that they should be sanded so that the paint will have something to bond too, or have the best bonding surface/longest lasting adhesion.

Am i wrong HERE guys???
You are right. But, you asked about an alternative to sanding or washing.

Priming is the only thing I can think of, but that's not what you're after.
What we're saying is that a quick pole sand will scuff the surface, break the gloss enough to get better adhesion. If it were trim, or a table or something that needs more protection, then more sanding is needed.

But anyway, I don't know of any tricks other than sanding or washing. There might be a no rinse, spray on product out there.

Here:http://www.homaxproducts.com/products/surfaceprep/17/index.html

http://www.jasco-help.com/products/prod_sp.htm

http://www.valsparglobal.com/val/resident/goof-off.jsp

After work:http://www.winhealth.co.uk/No Rinse Products.htm
 
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