When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
I don't think there is a generic price.....some converters may just need a clean, others might need parts replaced. On top of that, people wanting a restall might incur more cost as well. Hopefully they'll chime in and clarify.