(BTW the reason why the title's grammar is messed up is because the character limitations... )
I'm not sure if someone already posted the same thing, but I'll post it anyways.
Soooo.... If you wanna buy those things that aren't buyable (e.g the MP5K and the Coalition Heavy Sniper Rifle in B30), you can do this trick (Apparently, there's also another trick to do this, but I won't explain that)
-Open Loadouts and LoadoutsPx.ini on Base.rte folder (x = one of these numbers: 1,2,3,4. Each numbers resembles player number in-game, choose which one you usually play.)
-Add these to the bottom line:


*Item type depends on the type in the item's INI file.
Example:

You can also put more items by adding more AddCargoItem (Don't forget the preset name!)
Put crafts into a craft!
Yay! We can now put crafts into a craft!
The procedure is the same as the above, but with ACRocket or ACDropShip as the CargoItem.
Example:

Preview:

Have fun!