I have a GFCI outlet that will not reset? It was working, then stopped. And now it will not reset. I have placed 3 new outlets in the spot and when I plug something in, it goes from correctly wired to open hot.

Where did place three new receptacles?
Are they wired from the load side of the GFI?

Ckeck for 120 volts at line side.
Many will not reset if breaker is off(no power)or if a problem oon the load side. Remove load side and test to see if the problem is the GFI, or something on the Load side.