Building inspections are very important so you know what you are buying.
If possible once you know you have the money to buy a particular property ask to get a building inspection prior to submitting a offer, money well spent and the agent and vendor will know you are serious.
In 36 years of realestate l have never sold the perfect property. When negotiating try not to use the building report to get price reduced, the vendors home is his castle and your new project adventure. The building report will tell you what you are for so you can plan to put your stamp on the property When agents put offers in and quotes the faults the vendor will sometimes get offended and this takes your advantage away when negotiating.
Short story : l sold a property once where a building inspection was done and the purchase said that he just wanted to know what he could salvage for his planned complete renovation. Subsequently he pulled most of the house down and rebuilt.