1. No, I-130 and I-485 have separate timelines. An approved I-130 isn’t an indication that I-485 will be processed faster. Emailing isn’t going to help your case process faster. Then everyone would be emailing and calling to do that but that’s just not the case.
2. No
3. No
4. Biometrics, RFE can come at any point in the process, interview, approval. Sometimes interviews are waived, sometimes not.
5. The processing times for I-485 is determined by the Local field office (LFO) and not by the service center. So you need to look up the processing time for your LFO.