Its not hard but it will take a few hours and you need to pull the gas tank to get at the back bolts. You also have to pull the seats and carpet to get at them. I think PA is about the cheapest. You can try ebay as well.
To install a lift it sould not take no more then 2 hours. You do not have to remove the gas tank or the seats to get to the bolt holes just fold the carpet back. jc whitney should be the cheapest
yeah its hard to get at the nuts near the gas tank but not neccesary to pull tank and just fold up carpet in the Foot area for driver/passenger and entire rear carpet to get at all the bolts and two in very front of engine compartment
took me 2hours the second time but the first time took me 7hours due to broken bolts.