How to tell if bad contractor landscaping work needs to be redone

What people tried

Every workaround mentioned in the threads below. We haven’t tested any of them — and nobody here is claiming they worked.

1. 1
   Covering the exposed concrete with dirt and letting grass or weeds grow over it
2. 2
   Breaking up and redoing the concrete edge
3. 3
   Calling the contractor back to see if they will fix or redo the work
4. 4
   Calling the contractor back to request additional aeration and seed
5. 5
   Throwing down extra seed on bare spots yourself
6. 6
   Covering bare spots with peat moss or compost
7. 7
   Doing your own seeding after weather events

In their words

Unedited, grouped by where they were said, most upvoted first within each place, each linked to the thread it came from.