Joe.......1st and foremost is p a t i e n c e........practice..........& perseverence..
& to each his own once you've discovered what's best for you......
none of this is cast in stone but, works well for moi......
.....the sharper the cutting tools the better consisting of:
a small pair of side cutters
or an xacto knife with new blades (#11 or #10)......a small pair of duck bill pliers (flat nose).....a set of (hobby size) rat tail files & CA glue & CA accelerater.
if you're gonna remove the piece from the sprue with the side cutters, be holding onto the subject part with tweezers or the flat nosed pliers for reasons given below....
if you're gonna cut the PE pieces from the sprue with an xacto knife, i'd recommend a piece of tempered glass, & some doubled sided tape......
in that PE pieces love growing wings and zipping around the room never to be heard from again......so,
glass on bench, tape on glass, PE on tape & cut away.......
now, extricating the cut PE piece from the tape, hold the piece with the flat nose pliers and with a smallish flat rat tail file clean the remaining tab & voila.............
my means for picking up & attaching flat PE parts consists of a round toothpick with one end cut flat & with that end slightly wet touch the toothpick to the PE piece & transfer it to a pair of needle nose or duck bill tweezers.......apply a tiny drop of CA glue to the subject piece and subject area & carefully attach.....
i'd recommend a CA glue that is NOT a quick setting type in order to have the time to position the part accordingly........then if you choose you can touch a drop of CA accelerater to the area & if the modelling Gods are kind, you're in business.....
hope this helps........& best of "luck" to ya