Almost all of the home inspectors here are hired by the real estate companies. Typically a FHA/VA loan requires this inspection. Most of these inspector around here took a short course and now know everything just ask them. Many of them condem two wire outlets in 35+ year old homes, always want GFCI within 6' of water, want sump pump single outlets changed to GFCI, demand conduit in unfinished basements drilled thru the studs or floor joists, and always will condem a fuse panel.
I have yet to meet any one of them who ever built a house in any trade.
But since the bankers rely on them, upgrading if not too costly is worth while.
Have any work done by a licensed contractor, some times the contractor can give you a statement of his inspection and repairs (if any) on your place. If some work is not required by local code he can supply the reference.
I just wish we could get some licensing requirements with actual work experience on these so-called inspectors.
Gool luck in the sale of your place.