I agree that spider rigging and longlining is two different tactics. Spider rigging you keep lines tight and at a set depth and move slow. Longlining or pulling you are moving at twice the speed with a flatline that has been cast out. You can push and pull at the same time. Pushing is when you use heavier weights on long rods ahead of your trolling motor keeping baits straight down at similar speeds to longlining. I have heard of guys pushing well over 2mph. Personally I like to use one tactic or pattern at the time. It usually depends on the lake and time of year as the tactic I use. For instance if I go to some of the central Florida lakes that are shallow clear bowls I push baits. Many of the North Florida, Georgia, and Alabama lakes I longline. The deeper clear lakes further North I will spider rig. Usually staying over structure facing up wind and only bumping motor as needed. Developing a pattern for the water you are fishing is the benchmark to success.