Any chance of some advice on best welding strategy for welding novices like me? Starting with the assumption that we are welding box section (I'm probably talking 50x50x3 in my case), what's the best way to get an accurate frame that's not going to distort as you add bits on? I'm starting to hear things like tack welds to hold it all together, then add more tacks/spots for strength, but continuous welds at the joints are not needed.
Specific example - you are welding two pieces of box section that meet as a Tee. Couple of spots on the "internal" corners so that you don't pull the pieces out of plane, then tack the sides, then add a few more spots for strength?
I'm guessing that all this is blindingly obvious to an experienced welder but I get the feeling that a lot of people cut their welding teeth for the first time building a router!