1) Wonderland Dollar
2) TT for bill switch; sometimes loaded with a mismade bill, sometimes a 10 or 20.
3) rubber bands
4) coins (50 cent piece for calling heads/tails, Revolution vanish and various other tricks, as well as 4 quarters for a Matrix trick and a Coins Across routine, plus pulling out of kids ears, etc.)
5) Depending on how I am feeling: UV Nightshades, Psychokinetic Pen, Dream Queen, Brainwave Deck, normal deck of cards, rope.

I want to agree with those mentioning Extreme Burn.

"TT" has been mentioned by some. What IS that, in the magical sense of course? Or, is there a difference?

Rhomes,
TT = Thumb Tip

My five would be:
1. Invisible Deck
2. NFW
3. Twisted Sisters
4. Extreme Burn
5. Stripper Deck

Have carried these around for a year now:

Two Dollar Window
Entourage
Invisible Deck (traditional handling)
Wonderland Dollar (Not as often now, but doesn’t take much room.)


Newer additions:

Scotch & Soda
B-wave

Sometimes, even some rope for:
(This is for people that know me, as it seems kinda strange
to pull ropes out of your pocket.)

Cut and restore with slide off knot
Professor's Nightmare

I always carry several silver dollars and four dollar-sized Chinese coins, a s***l, and the Cerberus coin set.

1-Magic Match Boxes (quarter to bag inside of match boxes effect)
2-ID
3-Reg Deck
and recently added
4-B'wave
5-This 'n' That (color monte using "This" "That" & "Other" cards)

I'm looking to add a coin trick, priced around $30, any suggestions?

1-Silver Dollar
2-Deck
3-Elastics
4-Half Dollars+shell
5-Chinese coin

1) Manly Coin Purse
2) Hundy 500
3) Fire Cards
4) Million Dollar Switch (Mainly To Promote Book)
5) Ring Flight

And 3 sponge balls-Two Red and One Yellow!

Check out the new book!

A pouch of coins and 2 rubber bands:)

1)Uncanny Intuition (cards)
2)Crazy Man's Handcuffs
3)A TT to do vanishing salt (saltshakers are present in almost all restraunts)

Really, I've found that a few rubber bands around the wrist, a TT hidden in a pocket, and a good deck of cards and you can do any number of good tricks and effects impromptu for whomever. I generally do a bit of magic at restraunts while waiting on the food, or just when the opprotunity presents itself- and I don't carry a whole lot on me to do it! Travel light: that's the key!

Since the topic is about pocket tricks
Remember that tricks with money have a strong emotional content and bill effects are not received like coin effects (so you can do both in one show). A shell, a Flipper and four silver coins can take you a long way. So does a mismade bill.
Rubber band effects are a very natural thing to have in your pocket (and there are very good DVDs teaching everything to make your own routine)
I love the color changing knives but they do not go through the airport security checks (and I travel a lot)
A deck of cards will not overload you either
A TT allows you to do salt tricks and many other effects (it's like your credit card: don't leave without it)
A Himber wallet is also a good pick (try the ones that can be easily loaded as well as for the card to pocket).
And I always carry a Jardine Ellis ring because I do Franklin Taylor's routine (from Kaplan's Fine art of Magic) which is a master piece making people fall from their chairs
A pen and a thin block of post it notes (mental effects).
Just with these versatile props, if you take the trouble to learn from some of the excellent books and DVDs which teach us how to put them at work, you're in for a great seemingly impromptu show "out of your pocket" and you'll be able over the time to improve on your routines and keep your magic alive.

The only thing that I ALWAYS have on me is a deck of cards. And I'm quite fond of IT.

Tenyo:

Soft coins
Tri sector
Alpha tunnel
Knife of ninja
Crystal pyramid
4 D trunk

For one off tricks?

Penrose Pendant necklace
Mon-Key on my keys
Pot of Jam with a key lime
Earworm/Wikitest/DFB
Rubber Bands on wrist

Cards are a given.

Two Dollar Window (Jay Noblezada)
Hancock Effect (Kyle Purnell) with a borrowed dollar bill and my own Sharpie
Vortex (Dan Harlan)
Loops (Yigal Mesika)
My own custom gimmicked TT's
Cookie Bite (Eric Ross)
Sticky Situation (Andy Leviss)

For that, I recommend the Disecto Arm Chopper. https://www.penguinmagic.com/p/S14459