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I have a similar situation. I've run an A/B test that indicates that the existing home page (let's call this A) doesn't convert as well as a deeper page (call it B), even for visitors who have seen no other pages on the site. Until the new home page (A) is ready, I want to take advantage of the immediate gains available by redirecting traffic, in the short term, to B. I'm confident that 302 is the "correct" way of doing this, since the redirect is temporary, but I'm spooked about how Google will treat this. Matt, both A and B are already indexed, and both will remain "live" after the permanent fix is in place. Would you still have concerns about a 302?

Jerrod, Use the g+ (email) account you want to be most closely associated with your name.  Down the road, it is going to be how google identifies Jerrod David online. It will include a history of your interaction with Oxford Cloth Button Down, as well as any other interactions, posts, comments that Google can assign to that identity and that identity may bring strength to any domain to with which it's been verified. (Verification is going to be the topic of your next question.)   It's more difficult to maintain multiple identities in Google these days so chose wisely and maintain your online identity as you would your real identity--always think about what you're doing and remember that any action may reflect on you for a long time.

Make the decision based on the business case, not which might have the most SEO benefit.  If they are are their own businesses, with their own customers then those should be the first concerns not how to push PR around. Presumably they were acquired for a purpose. That purpose should guide what happens.

Were your ads in English or Mandarin for Adwords?

Adwords works on a bidding system, where AdWords users bid on specific keywords and the highest bidder gets the best placement. Costs differ on a keyword-by-keyword basis, and go up and down based on the market. Google itself doesn't charge any fees on top of the per-click payments.