Roadsmart 3 vs 4?

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On a related note, I ordered a set of Dunlop from Revzilla.  They had the same price as the other on-line companies.  But when they invoiced me, they charged me their local 8% sales tax instead on my local 6% sales tax.  Revzilla customer service refused to budge on the issue.  ...

Makes you wonder if they only send the 6% to Pennsylvania and pocket the other 2%.

Why on earth would that happen..........................  

In any case, the tires will take a return trip on Revzilla's dime via UPS............

That's going to bite them in the butt if that's happening on all their orders.

In summary, this is my recent history dealing with COMOTO

1) 18 July: I order a set of DS4 tires 
2) 19 July: Revzilla says the tires are shipped and will arrive on 20 July.  Reviewing the invoice, I find Revzilla is overcharging on sales tax and they refuse to reimburse me.  I demand a free return shipment authorization.  Order the same tires from J&P Cycle for the same price but correct sales tax.
3) 20 July: Tires ordered thru Revzilla arrive (shipped from Parts Unlimited).  I take them to UPS for return shipment.  They are going to North Las Vegas, Nevada.  My wife tells me I'm crazy.  J&P Cycle tells me my tires have shipped and will arrive on 27 July.  According to UPS, the J&P tires are coming from Western Power Sports in Fresno, CA.
4) 26 July, Returned tires arrive in Nevada.  J&P Cycle tires are should arrive tomorrow

I stood on principle and saved $6.72.  But, at the same time, I became a primary contributor to global warming..........