> When you hire a contractor, you pay for the work done and that's it Generally, but I could plan to have that contractor back for each repair as long as they

> When you hire a contractor, you pay for the work done and that's it Generally, but I could plan to have that contractor back for each repair as long as they do a good job. > The state has allowed NTTA to have a lifetime contract of earning tolls on the roads even past the cost of building those roads Presumably they're responsible for maintaining the roads. We've simply decided to call them for repairs as long as they do a good job. > The contractor does not keep sending you bills after the fees have been paid If I defer up-front costs in trade for maintenance costs then they do. This is really handy some times.