US Immigration from Canada

Just curious if anyone received an interview letter for February dates at the Montreal Consulate in Canada? My DQ date is May 23, 2020 so, as per the spreadsheet, I hopefully will be receiving a letter this month and am anxiously waiting...

Hi folks

I files a petition I-130 for my brother way back in 2013 but seem to have lost the I-797.

Does it matter?. can it hurt my case in anyway

Honestly I don't know how anyone creates their timeline on here, it's hard enough finding the exact dates for everything... but on top of that, it keeps saying my dates are wrong and giving me error messages. I don't know what else to do as those are literally the dates from my case. There really aren't any instructions, and for some of the boxes it's unclear what exactly they're even asking for. Maybe it's just me but I'm frustrated.

Not sure if there s a forum for this.. but does anyone have experience shipping/ registering a Canadian car in the US (Florida) ?

Can I call uscis to get a receipt number? Bank check was cashed 3 days ago but haven't received any email from them.