well.....lets get some perspective here..ok....
i am talking in general..i have ordered from amazon,PA only so knowledge limited...going to order something from decalgirl..but dunno ..any ways....
1. abt duties..its highly subjective..when weight increases or if they get lazy they might check it and impose duty...but if small items like CD or DVD or Skins are stuff...chances are that they be ok..even weight upto 1 r 1.5 kilo...
i ordered some books from amazon it was abt 1.5 kg...it was ok....and other time some batteries for my homes cordless and spool tape it was ok..but amount of weight was low..but once when my brother ordered a vaccum cleaner they imposed 23 or 25%.....
2.Shipping....chk for free shipping...risky but low cost..use it for low prio stuff...but i guess everything is high prio...

..and then there are std shipping methods that are listed chk for it and change it to indian money...
3.Vendor amazon, PA, decal...all are reputed...so ok...but others i would like to doubt..maybe individuals dealers if reputed then ok...
3.persons....that to rep counts...if new i would definitely tell them to ship first...lost some good deals though..but didnt had the heart to take risk u know...or if reputed or done deal once or testimon from someoen then i deposit the money to the accnt and then he be shipping....
4 always verify ur transaction.....like reputed source and client...even if dealiong with person..try to talk over phone and transfer money to HIS accnt so that he cheats you.FIND HIM AND KILL HIM.serious...
5.Regarding Paypal..its like credit card accnt..u need credit card to tarnsfer money to it and ther is another way dnt remeber....been long time i registered so...but the receiver had to pay a small fee thats the paypal system....
anything more....?????