You can sell your loot in Junkyard (go to cave tunnel exit and docks, talk to Captain Svana). You can get more money by repairing guns and armors before selling them, quicksave before repair and quickload if it's not worth it.
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Fighting tactics vs. psi beetle (from the wiki):At lower levels (1-5) even a lone Azuridae can prove to be a strong adversary, and their powers multiply in groups via Psionic Synergy, to the extent of using new, more powerful abilities, such as being able to stun and chill the target. It's a good idea to try and separate them to weaken their power output first, before directly confronting them. The psionic capabilities of a single Azuridae are limited to Neural Overload.
Their tough carapaces provides some resistance against mechanical damage, but they expose a weak spot, their brains, whenever they use psionics.
When a player chooses to fight them it is recommended to use a close offensive, trying to force the Azuridae to fight with its pincers, as this form of attack is a lot weaker then their psionic powers.
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- only attack a psi beetle with an opened carapace.
Top: closed carapace; bottom: opened carapace
- hide behind wall and corner to lure them in, they will most likely waste all their MP and AP so they can't attack. Chances are pretty high they'll open their carapace as well.
- if you are fighting psi beetle in open space, don't attack a psi beetle with a closed carapace, walk toward it
- Incendiary/HE grenades are effective vs. psi beetle. Frag grenade also works on psi beetle w/ opened carapace
At GMS, don't fight robots if they are too hard for you. You can move inside the vent.
Resources won't be so tight after GMS. You will be facing the hardest part of the game after GMS, so allow me to pre-emptively answer to your question re:
Junyard Depot A. I promise the game will be a breeze after Junkyard.