I'll set the c/os are my starting bid.

1) C/O: 85k
B/O: Post soon.

2) C/O: 50k
B/O: 70k

3) C/O: 20k
B/O 45k

4) C/O: 3k
B/O: 7k

5) C/O: none
B/O: post later

6) C/O: 4.5k
B/O 5k