Help me get the story right...
Since we filed i-751, I feel the time has telescoped from 1. with good confidence, receiving approval within 6-8 months, to: 2. needing a two year extension letter, to: 3. awaiting a 4-year extension letter.
Also I just saw this. Check out some of the proposed fee increases...
https://newlandchase.com/united-states-uscis-proposed-fee-increases/
the petition to remove conditions from green card status I-751 filing fee increased from $595 to $1,195, which is a 100% raise;
the I-485 Adjustment of Status (green card application) filed with the I-765 Employment Authorization Document and I-131 Advance Parole (travel authorization) filing fee increasing from $1,225 to $2,820,
Pay more money, for less service.