sponsor and documents

[patel01]

My daughter and son both earning 45000 US$ per annum roughly.
Daughter married recently in USA & son younger and unmarried.
we, parents have necessary income and property for this visa purpose.

My quesions are:
(1)Is it better to be sponsored OR better by our own?
(2)If sponsor, who is better son or daughter or both?
(3)Should document include old - previus passport also?
(4)Purpose - to visit son & daughter is OK?
(5)If one sponsor should we have invitation and necessary papers of both?

Thanking you
patel01

[Murali]

(1)Is it better to be sponsored OR better by our own?

Better to have a sponsor.

(2)If sponsor, who is better son or daughter or both?
Any one of them , who have savings of 5,000$ in account and in job for longer time.

(3)Should document include old - previus passport also?
Just the current passport.

(4)Purpose - to visit son & daughter is OK?

YES

(5)If one sponsor should we have invitation and necessary papers of both?
Only one sponsor and all the documents from him/her.