Best to do a change of address using form AR11 even if late.

Can parents travel to USA on existing B2 visa with pending I-130?

Yes they may, although not with certainty, but they should travel with proof of return tickets and itinerary.

My wife will have had a 2 year conditional green card and now has her new one for a year now?

Yes the conditional residency time counts towards 3 years for citizenship.

What do i need as a join sponsor Iinmigration?

The cosignor spouse will need to complete Form I864A.

Filling Out Form I-589 Application for Asylum Since March I never received a receipt notice what should I do?

You should have received a receipt notice by this time. Contact the local asylum office to you to inquire further.

If i travel in future, will i have problems in usa because of this note? I usually spent 2-3mhns in a year in other countries.

No you should not given allowance of reentry as LPR.

Yes best to indicate the name of the business and your title.

No this should not impact your case but best to have an attorney review your criminal history.

I797C received then after process and processing time???

Awaiting approval of I130 in about 4-6 months from submission and transfer to NVC, if consular processing.

Are green card interviews being waved??

Yes your I751 may be waived depending on USCIS discretion.