Conclusion
Finding a cheap tow truck in a good shape is not that easy as you think because you need to start with the buying price and add the expenses that you would have after to take the tow truck in a perfect condition for truck towing.
The purpose is to find a cheap tow truck but you should consider the total expenses, not just the buying price because if you think at first GREAT I FOUND A CHEAP TOW TRUCK and after spending $10,000 for repair you will change your first impression.
You need to think in a long run and have in mind the additional expenses so the final amount will be in your planned range and you actually can say that you found a cheap tow truck for you.