

For a while at least, attorneys at treasury were not allowed to use PACER because it charges nominal amounts per page to fund the Judicial branch. PACER is the one and only tool for researching and filing records in ongoing federal cases, which is to say, every single case that these lawyers would be working on.
It’s kinda bullshit that there is a fee at all, but it is what it is and has been standard operating procedure for 20+ years, and they just flip a switch and wait for the howling to begin, because they have no idea what is important and don’t care. This is just Xitter all over again, except now it’s the government of the largest economy and military in the world.
Aerocart from Worx looks a little gimmicky, but might be closer to your needs.
If budget is no object, then maybe a Polymule at USD1000+.
Inbetween, there’s something like a “Foldit Cart”.
Try searches for folding wheelbarrow, folding garden cart, or folding “vermont” cart. Your options get better if you can live without it being collapsible.