What to do with all this loot??

So the recent urgent mission has filled my storage and inventory with 7+ star weapons including around 50 unappraised items... Im out of money to appraise them and was wondering what I can do to clear some of this out? Is there a "free" way to break down weapons and units?

wow you must be in a desperate situation when you are even out of money for appraise, well you can just dismantle the 7 to 9 weapons to use the materials for crafting and the 10 weapons you can use in the swap shop for ex-cubes or photon spheres

how do you dismantle weapons?

go to your private quarters and in the console there is a function called crafting, in DYI crafting you can find the dismantle option