Dealers are the most common place for trucks for sale.

• Pros: You will have a wider selection, there will be new and used trucks for you to choose from.
  The salesperson is knowledgeable in the type of truck you are looking at and can answer all your questions.
  New trucks and some used ones will come with a warranty which gives you peace of mind as you drive it off the lot.
  The dealer will offer several types of financing for you depending on your credit status.
  
• Cons: The truck will depreciate once you drive it off the lot.
  You may not be able to obtain financing.
  Sometimes you may not have a straight up salesman and you may not have gotten the great deal you thought.
  Do your homework!

Auctions are a great way to find trucks for sale.

• Pros: You will typically have a lot to choose from.
  The prices are lower than buying a truck from a dealer.
  
• Cons: There is no warranty.
  You will take the truck as-is.
  If there are any repairs that need to be done, it will be at your expense.
  You will have to pay cash or have financing lined up before you bid.
  

Private party sales are when you find a truck for sale from another person.

• Pros: you will probably get a good price on the truck.
  The truck may be found locally.
  The seller may be easy to work with.
  
• Cons: You will not get a warranty with the truck.
  You will have to take the truck to a mechanic to have it checked over at your expense.
  It may require some repairs that you must be willing to pay for.
  You will have to pay with cash.
  You will have to handle the title transfer.
  

I hope this gives you something to think about the next time you're looking to buy a truck for sale.
With so many different options and choices the decision is entirely up to you.