Question is in the Details

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My question is about the free games given to gold members twice a month. I noticed the games are always for Teen or Mature audiences. How do I receive games only for EVERYONE. My kids are still young, can I choose the age I want? or those free games are
only for mature audiences.

You can't choose the games you want. The games are pre-chosen so you are only able to download what is available.

[quote user="yeaforme"]

<snip>

See, I am traveling for the summer with my XBox still at home. If I upgrade to Gold now, can I "purchase" (without downloading) the games for free as they are offered from the online marketplace on my PC laptop and then download the games in a few months
when I get home, or do I have to download them to my XBox now to take advantage?[/quote]

Yes, you can add them to your download queue, which puts them in your download history and you'll be able to complete your downloads at the same price (free) you queued them at.

Also, if/when I do upgrade, most of the advertisements say the offer is for "qualified paid Gold members" only. What do I need to do to be qualified? Is the one month game card I got after XBox support returned my console after a warranty repair sufficient?
What about a Bing Rewards 1-month? I've heard rumor (nothing official) that it need to be a 3- or 12-month subscription...

It says "qualified paid Gold members", there's been no issues with users who are Gold not being able to download Fable III and lots of them are bound to be on 1 month cards.

Related to my first question, if the games have to be downloaded now, does that mean that if my hard drive crashes or I end up upgrading from the meager 20gb HD I currently have that I will be unable to re-download them and thus lose the games?

You will always be able to re-download what is in your download history.

Lastly, if the answers to all my above questions are adverse for my circumstances, can I upgrade to Gold at a later date (when I am back home with my XBox and able to download) to take advantage of Games with Gold (as opposed to having to be a qualified
Gold subscriber now in order to qualify for free games in September).

Any answers would be appreciated. Thanks!

If you upgrade to Gold at a later date, you will miss the Games for Gold up until the period you subscribe for Gold at.

as long as you purchase it in the correct marketplace

make sure you use the locale you are actually in