Be thrifty and green by trying your hand at one of the projects at the links below that you can make with a t-shirt or a tank top, no sewing required!
No Sew Dress
Turn an oversized T into a dress  for a night out on the town with no sewing or cutting and wear as T again.
Cut Out Neckline
Give your t-shirt a whole new look  with strategic cuts around the neckline.
Fused Plastic Bags on T-Shirt
For a different and temporary look, you could fuse plastic bags to a T .
DIY your own Tokyo-inspired trend  with a T and a pair of scissors following instructions.
Tied Back T
Revamp a T into a tied back one  with a few cuts.
Just need a T and some scissors - http://www.whatthecraft.com/tuts/nshalter.htm 
80’s Boxy T-Shirt
Get a retro 80’s look  with just a few simple cuts to an oversized T.
Tank Girl T-Shirt
Make at “target” shirt like Tank Girl wore in the 90’s  cult classic of the same name.
Military Inspired T
Embellish a T-shirt with Iron-on accessories .
Cute for kids to make on Mother’s Day or Father’s Day ; you just need fabric paint and a few other items and two little hands.
Koolaid Rainbow Shirt
This cute stenciled shirt would one for kids  to make and wear with a little help from an adult.
Bleach and Snip
Use bleach and scissor to make a unique creation  out of your old T.
Death Star Canteen T
Using a printout, freezer paper, iron, X-acto knife and fabric paint on a T-shirt to make a geeky cool Star Wars wearable .
Breaking Dawn Stencil T-Shirt
For the Twilight lover, stencil a Breaking Dawn T .
T-Shirt to Skirt
Turn an old T or Tank into a skirt  with just a pair of scissors, ribbon and a safety pin.
For Christmas, you could use a red or green T, tank or sweatshirt to make a no-sew elf skirt or cape .
Corseted Arm Warmers/Fingerless Gloves
Just need scissors, old t-shirt, and some safety pins .
T-Shirt Necklaces and Scarves
Turn an oversized T into a quick and easy necklace  following directions here.
A similar project is the Circle Scarf .
The Tied T-Shirt scarf  reminds me a little of a spiders web - would be cool for Halloween! Just need an oversized T, scissors and be able to tie knots.
Here is a loose fringed scarf  project.
Turn your old T into a headband  with the help of a pair a scissors and a hot glue gun.
Just need scissor and an oversized T for this one. Cut the bottom of the shir t off, then use a large bowl to cut a hole in the middle. 
Tank Top or T-shirts to Tote Bag
Make a funky fringed bottom tote bag  from an old tank top. It is surprisingly sturdy and holds quite a bit.
Using the same concept, you could also make a bag out of two s hirts.
Two-Minute T-Shirt Gift Wrap
Use an old T along with rubber bands and safety pins  to wrap a present—no cutting required!
If you have a lot of old t-shifts, try making a “Quilted T-Shirt ” Throw by cutting old t-shirts into squares with fringe on the edges and connect together by tying the fringed edges together over.