Item Trick:
 In the Scrap Junk shop, buy the items and 
 then go back to the dinosaur dude. Select 
 "Sell" and put the cursor on "HyperionBazooka". 
 Press "O" a few times.  You'll find that you have 7 free 
 items to gouge on!  Look for ExcelShields in the upper 
 right - that's the best thing you'll find here. 
 The quality of the items will go up if you sell RepairKits.
 
 Building Levels:
 Again, after the Gold Trick you should not have to do this 
 much. The best place for getting new abilities is the Bio 
 Research Lab in Shrike. Use your worst attacks against the 
 enemies (you can rest for free nearby). Quicksave after