Costs of Replacement. The cost to change your spark plugs will depend on whether you do it yourself or pay a mechanic to do it. A few high-end vehicles may require special tools to replace the plugs, but most can be done by a home mechanic with just a little know-how. If you prefer to DIY, click here for instructions.he interval for replacement of your spark plugs will depend on your vehicle. Older vehicles can require replacement as often as every 10,000 miles with most vehicles over 10 years old needing them about every 30,000 miles.
'The Shack' Author William Paul Young Says Second Book Better Story. William Paul Young, best-selling author of The Shack with 18 million copies sold, released his second book, Cross Roads, this week and said that his new book may even be better than his first.
The Shack â Book Summary. The Shack is a fictional story (although presented as truth) about a man, Mack, whose daughter is abducted and presumably brutally murdered (though her death isnât confirmed for years).