NADA has the average retail of that unit with those miles at $22,295 USD, so around $28,500 CAD. That included over $5500 add for the low mileage. Don't let them try to add "options" though. Generally, finance companies won't let those be added and after so many years it's far safer to go by the base without options. Net, asking price looks pretty good.
Tires: Don't go by looks alone....look at the date codes. 7 to 10 years max on tire age regardless of wear and looks. 7 years if uncovered...10 if it's been undercover a lot. I personally go by the 7 year rule...better safe than sorry...especially on the steer tires.
Ride? On gassers with a Ford Chassis, a class A is not a smooth ride. I actually thought my C on a Ford was a better ride.
When you go to look at it, have them have the refrigerator running so you know it gets cold, check the function of EVERYTHING! Open all your cabinets and for the ones at the roofline, look for anything that might look like there was a roof leak. Bring a pair of coveralls and crawl under the rig. Have them have water in the tank so you can check the pump function running water at the faucetts and the toilet. Fire up the water heater. Get on the roof! Thoroughly check it out for bad sealant joints, etc. Is it clean? Might be an indication of care. Maybe you've done all this, but you said you're a Newbie, so just putting a few thoughts out there.
Good luck!
"Second star to the right and straight on 'til morning." Captain Kirk in Star Trek VI 'The Undiscovered Country'
2007 39K Winnebago Journey "The Enterprise"
Jeep Cherokee Sport 4x4