Where could I get an iPod nano on sale? Or where could I find a music player like the ipod nano cheap?

Best Buy , ebay, or amazon.

Actually there is an Mp3 that is very much like the Nano but alot cheaper!  Check out the Ematic 8gb Video Mp3 player with 3" touch screen, 5mp camera, video recorder, and fm radio bundle which is selling for $78.00
Combining the latest advances in Portable Entertainment, featuring Touch Screen Technology with powerful Video Recording capabilities, the Ematic 8GB Video MP3 Player plays music & videos, takes photos, shoots video and more. The built-in 8GB of memory gives users over 30 hours of video recording time or space to hold thousands of pictures captured by the 5MP camera. Also featured on the player is a MicroSD card slot which allows you to add up to an additional 8GB of media. The sleek, curved design gives you entertainment with style!

• Stores up to 3000 songs, 34 hours of video or thousands of your favorite pictures.
  
• Records over 30 hours of video with various special effects for full creative control. Play them back for family and friends on the 3” touch screen.  Use the Video Out cable to connect to your TV and enjoy those precious moments with everyone.
  
• With touch screen controls, the 3” screen allows for easy file and media browsing.  Also provides easy controls during video playback mode allowing users to scroll through entire movies with a swipe of a finger!
  
• Takes high-quality photographs and includes special filter effects such as sepia, B&W and more.
  
• You can listen to your favorite FM stations and even record songs straight off of the radio and store it onto your player for easy playback.
  
• Expand your storage capacity by adding your own Micro SD memory card. The player supports up to 8GB of additional memory giving you a total of 16GB!  (Card not included).
  
• Allows you to browse and read text files including ebooks, TXT docs and more
  
• The built-in microphone provides easy recording of quick notes or lectures.
  
• Connect your player to your TV or computer monitor (A/V cable included) and seamlessly stream those videos you recorded, movies or pictures.
  
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• Share your music with friends and let your beats play loudly through the built-in speakers. The built-in microphone provides easy recording of quick notes or lectures. Connect to your computer and use the player as a Webcam to video chat with all your friends.
  Lets you tweak your music just the way you like it!
  Plays MP3, WMA, WAV, WMV, ASF, RM, RMVB, FLV, AVI and MP4 (videos must be 320 x 240 resolution or less; otherwise they must be converted using the included Ematic Video Converter).
  Ensures quick and easy transfer of files (Drag and Drop)
  Li-Polymer Battery for long lasting music and video playback.
  Windows 7, Vista, XP, 2000, MAC OSX, Linux
  With the Arcsoft Downloader software, you can download videos right off of Youtube (or other sites) and load it to your player for instant playback on the go. The Arcsoft Media Impression 2.0 software allows you to easily edit, upload and share your own media on Facebook, Youtube & more!
  Listen to your favorite music, while reading ebooks or browsing your pictures.
  Use this player as a flash storage device, simply drag and drop files onto the player and access them anywhere!
  

This bundle includes: Your choice of Ematic 8GB Video MP3 Player with 3" Touch Screen, 5MP Camera with Video Recorder & FM Radio

Key Features & Benefits
• 8GB flash memory
  Stores up to 3000 songs, 30 hours of videos, or thousands of pictures
• 3" QVGA display
  With touch screen controls, the 3 screen allows for easy file and media browsing
• Versatile audio and video playback
  Supports MP3, WMA, WAV files and is compatible with the most popular video formats including WMV, ASF, RM, RMVB, FLV, MP4 and AVI
• Built-in FM tuner
  Lets you listen to your favorite radio stations on the go
• Interfaces
  High-speed USB 2.0 connection ensures quick transfer of music, videos and pictures onto the player (drag-and-drop)
• Rechargeable lithium-polymer battery
  Enjoy long battery life with convenient recharging capability
• Voice Recorder
  Record lectures and notes
• Includes Arcsoft Downloader software
  Download videos right off YouTube and load it to your device