[Fulltiming]

With a tag along trailer, typically you strive for 10-15% of the loaded trailer weight to be on the hitch. 5th wheel hitches can have a greater percentage of their weight on the hitch (15-25%). If the tongue weight is significantly less than 10% or significantly greater than 15% can result in undesirable issues. Having too little weight on the tongue can increase the propensity of the trailer to sway. To much tongue weight can be mitigated by weight distributing hitches and is less of an issue when towing with a Newell than with a car or pickup where it can take too much weight off the tow vehicles front end resulting in steering issues.

Using a Trailer Toad changes the weight and handling dynamics and they recommend 15% of the trailer weight be on the hitch.