Waiting for twins can sometimes mean a very long wait for a referral...but many families who know they are going to adopt two children decide to do it at one time by adopting two unrelated infants. There are a few financial advantages...but mainly for many people they just want to go through the process one time and get it over with
I can't personally tell you what it is like...except that I would imagine it would be very much like having twins. Lots of work but also lots of fun!!