To conserve ammo, use the Electro Whip on enemies. Save your weapons for enemies that are at further distances. Some flying enemies are difficult to hit with the electro whip. You can hit flying enemies with the electro whip if you are skilled in using it
Get all the items from every trashcan, chest, or box-- especially the SaberSense Chips. The more SaberSense Chips you have, the more you can build them up to buy health, ammo, weapons, and upgrades from the Kiosks. Also, collecting ammo is helpful. Mooch can be useful; let him scour the areas for SaberSense Chips.
-Instead of hiding from enemies, use the electro whip on them. You can also do this with your weapons, but be lenient and try your best to conserve as much ammo as possible.
-Use the Nanohacker when in tight situations. When you use the Nanohacker on an enemy, it will begin attacking other enemies. They will retaliate, creating a temporary diversion that you can use to plan out your attack.