The I.B.D.B. (Improvised Base Destroying Bomb)
If you need to take out those soft but necessary structures but you can't even find time to knife it? Mine up a sidewinder, drive into the offending structure, frag it, and return to destroying other stuff. Very handy against clustered buildings, as well as saving your Grinder some of that precious ammo.
Vehicle Charges
Mine vehicles in the enemy base, self-explanatory. One sneaky trick to hide the mines is to place them where a spawned vehicles should go, then use hacker to spawn a vehicle, hiding the mines.
Preventative Measures
If possible, get a sniper rifle and take out the proxy mines by the enemy flag, making a flag runner's life easier as well as maybe even netting a kill.
Wall Traps
Sidewinders can't help but squeeze past your walls, so proxy the sides of it. In classic beta, if the guy(s) with the razorbacks are being predictable, place a wall in their favored route, then place multiple autoturrets BEHIND the wall, in addition to the one on top. If the razorback rams the wall, the turrets will tear it to pieces when the wall comes down.
Tankproof Wall
Make a formation in a preset 2 walls wide. Form a gate, flanked by 2 beam turrets, then just barely enveloped by a shield. Get a human defender to stop bruisers, and the wall is inpenetrable for only 4 buildings (2 people can combine their rift to put this up, else it will be hard to set up.
