Make sure your van is clean for a start. Why not pay a school kid a few dollars to wash it two mornings a week? Keep it well maintained,...

Inspect the tires carefully. Look for small cracks due to the drying up of the tire from the sun. Try to check out the sidewalls of the...

In general, always buy tires at least in pairs. Never put one new tire on one wheel when the other has considerable wear. Generally, ...