how to trade plants

just scratching ive got a 2 foot tall indica cheese i got for a freebie , didnt plant my bought seed, the problem is that I'm realizing indica isnt for me. wanted to no how i go about trying to get a sativa plant seed or something of major sativa desent. any advice is of much help.

i clip and sell her as a bunch of clones is that legal? i dont want to lose my papers over some thing like this