Need an rts playa

I cannot RTS.

I am trying to get all the bleep bloops.
Got 44 out of 44 in Halo: CEA
Got 79 out of 79 in Halo 3
Got 47 out of 47 in Halo 3 ODST

I need help in Halo wars, because I am derp at it.
(Once warthog rushed a base and forgot to give them turrets XD )

You dont have to like, GET me the achievements. I just need help because I suck and need to learn some good tips. Haha.