You sound like a m o r o n in so many different ways!
Computers come with one hard drive because any company that insisted on outfitting them with two would go out of business because everyone else would have lower cost. Take some responsibility for your own life. It's not someone else's job to make your life easy.
I've heard of a thumb drive. Have you heard of one that can store 256 - 512MB? Nope. The largest thumb drive available from Newegg is 128MB and they range in price from $41 to $118. I bought a 3TB external drive for $109. I can hold many system images and months worth of regular backups on it. To duplicate that much space with a thumb drive would cost between $960,937.50 and $2,765,625. So maybe a folder on a thumb drive isn't such a "deal done" after all, right?
You don't own your email software? They why are you using that email software? Outlook (express) isn't the only solution. You don't read your old emails? Delete them, then! Then what you do back up is only what's current and needed. My email is a large and valuable database to me. I often search it for information I know I have but can't remember. I delete the crap but I keep everything else - all the way back to 1997.
Then you said that you back up manually followed by whining that it's time consuming and complicated. If you weren't such a dope you'd find a better solution, like backup software!
I've never seen an imaging product with a fat manual. In fact, I haven't seen a manual at all in at least 15 years! Your admission that you're too stupid to figure out the imaging software was not a surprise to me. But you're right, why pay for professional when you can do something that's slow and confusing for free. How silly to consider anything else.
You asked for help in forums about how to keep track of photos but nobody answered you. Those ********! Maybe they could tell from your first sentence that you were dumb and demanding so they ignored you in droves.
I can tell you why tech support talks down to you. You're STUPID and most certainly impatient and rude. You don't just need a 1-2-3 guide; you need someone with a brain to come and do it for you!
The truth is that backup is NOT expensive. LOSING DATA IS EXPENSIVE! I use a second internal drive, the 3TB eSATA drive (USB is too slow) and LiveDrive cloud backup. The 3TB drive cost $109 and the enclosure cost $25. The internal drive was free because I repurposed it after upgrading to a larger system drive. LiveDrive cloud backup costs $63 per year for unlimited space and (I think) support for 2 PCs. I use Windows 7 built-in backup software to do backups and system images every week. I retain 3 weeks worth of system images and months worth of regular backups.
I've never had any trouble with putting a hard drive into an external enclosure, so you're wrong, it is easy. Since you've had enclosures from cheap Chinese manufacturers blow up then maybe the problem is that you only buy the cheapest of everything, eh?
Tech support is NOT a problem and I guarantee that those drive manufacturers don't try to annoy you from the start. I'm sure they are annoyed BY you from the start, however. I expect that no drive manufacturer would bother to test his drives with an external enclosure - unless the two have reached a marketing agreement and one of them pays fees to the other. The drives and enclosures should be manufactured to meet the technical specifications of that piece of equipment. If both parties do that then they will work together. Did you ever wonder if the "cheapest Chinese enclosure" maybe didn't meet the specifications?
And if it's such a fact that you can put an internal drive in an external enclosure and it will work then what's your freakin' problem? You seem to know everything there is to know! (except how to use imaging software or install a drive in an external enclosure or purchase quality equipment or treat technicians with a little respect or read a bloody manual or take responsibility for your own life and actions)