The previous owner did a **** concrete job and there are large crack everywhere in both front driveway and rear concrete slab. The total area is about170sqm. I got plain concrete resurfacing quote for rear area which was about $3500 including grinding, epoxy filing and 3mm thick resurfacing. They said they can't provide warranty that it would not develop cracks because of previous severeds and soil movement. Would concrete pavers be better option instead? Can they be installed over existing concrete? I am looking for long term cost effective solution.