You can do the process yourself. No need to pay a lawyer!! Go to immigrate2us.net and ask for help. Many people there are experinced in filing those forms.
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Self filed AOS │Apps Received By USCIS - 05/30/19
Biometrics Done - 06/21/19 | Interview Scheduled - 1/31/20
Interview Date - 3/16/20 | AOS Approval - 3/17/20
Green Card Received - 3/23/20