However you should get many happy kilometres from them. I use mine as winter boots around town as well. Don't wear them, the Salvation Army needs them. The resoling of boots is not usually a good idea, when the soles are worn out the uppers are usually soft and your feet may have changed size. Resoling is usually expensive as well.
Some hikers have problems with blisters until their feet and boots are broken in.
Many hikers will replace the liner foot bed that comes with boots with an orthotic device. Hike leaders are usually a good source of information about equipment as they have seen many of the problems that the wrong stuff causes.