There are many ways to move a couch, and the cheapest one may vary depending on where you live. The most common way to move a couch is to hire a local furniture mover. This can be done through online companies, newspapers, or word of mouth. Another option is to rent a truck and transport the couch yourself. Many companies will also offer discounts for large moves.

Couch moving can be a hassle, but it doesn't have to be expensive. Here are three tips for finding the cheapest way to move a couch: 
1. Look online. There are many online resources that can help you compare prices between local furniture movers
2. Ask around. If you know anyone who has recently moved, ask if they used a local furniture mover and if they could recommend one. 
3. Go with a company with good reviews. Not all local furniture movers are created equal, so it's important to research which ones have positive reviews from their customers.