Treating for subterranean termites only treats the soil around the house. I would go with option 1 because it poisons the soil completely around the house and should last about 5-10 years, even if you do nothing else. It is very similar to the treatment the builder does. Option 2 is a baiting system which requires periodic monitoring to check the bait traps and retreat if needed.
I'm surprised that Massey didn't also try to sell you an attic treatment for other types of termites. If they do, I would reject the extra treatment. You really only need the subterranean termite treatment, because they can do a lot of damage to your house before you even know that they are there.
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