Sonny"s is out-of-business, and that is the place with the bad rep.
If you click on the link below, in the Site Sponsor list, there are 2 sources for new/used Bolens parts: Bob"s & Rick"s
Both of these sources are fair and reliable.
There is also a Bolens Forum there, if your friend has any specific questions. ....There is also a manuals forum, where many Bolens manuals are posted.