Telescoping Trailer Tongue Extension Question

Reality Check wrote:
Actually, it's a great idea. If done well. A few things come into play, first being you're actual tongue weight and the style of construction of the trailer.

I'm not to excited about the way it was done/type of trailer (square tubing) of the pictures you posted

I've done it, running one now that has a welded 18" extension. I have weighed lately shaving 24" off the truss and extending the tongue further. Would solve a couple of issues for me, but... haven't had the time as of late.

My double axle cargo trailer weight will be in the 1500lb to 3500lb weight and the travel trailer will be in 4000lb to 5500lb range.

These trailers will be used for my business so flexibility is valuable for me. I will be switching my trailer / truck combo enough to want to save the hassle of removing the super truss hitch and my rig is stored at a storage facility and so I cannot leave the extension behind so it takes up valuable space and weight. I also pay for the indoor storage by the linear foot so being able to remove 3ft from each trailer saves almost $42 a month or ~$500 a year.

The benefits to me are pretty obvious for my needs but the purpose of my question is to ask about the problems that might arise from such a setup (from those with experience with such a setup). I can see one of the primary problems would be the side to side sway that could result if the tongue extension is not sufficiently braced. I would likely handle that problem the same way the super truss handles it with chains pulling tension on the sides of the extension.