ANSWER:

No, all of this is not from the Sunnah. 

In our part of the country there is a practice that when we decided to go for hajj then we should inform everyone that we r going for hajj or visit everyone I know and seek forgiveness from everyone and also we should arrange a feast in our house and invite everyone someday before we leave for hajj.is it a sunnah

Hajj and Umrah |