Yes upsell is thier mantra I went in for the $29.99 special they tried to sell me expensive filters but also the $29.95 turned into $44.05 because they say they used a different oil well thats fine but at least tell me before you go ahead, not to mention the bogus shop supply fee what a ripoff.Then just try and talk to head office, no reply then try e-mail, no reply now that is what I call service Ha Not