another way is to set up defense of your worm holes with small BS and Groups of ftrs. this frees up your fleets to invade his systems. I found 3-4 small BS with 50-100 ftrs in support are able to defend your system at the worm hole, then your fleets are free to invade.
just some ideas mac
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just some ideas Mac
BEWARE; crochety old geezers play SE4, in between bathroom runs Phong's Head Parking