Hi
No no ! Cheesebiscuit, I didn't mean to be patronising or negative in anyway !
The reason I said that initial line of going to specsavers, with a wink was to point out that the OP mentioned a max budget of $50 !
I've never heard of brands such as Thrustmaster or Sakar when it comes to quality photographic performance for consumer product lines, that said, perhaps they have a 'better' reputation in other markets of the world? at the price level they're at, I'll rephrase to 'budget offerings' and in that context, I stand by what I say in that I'd rather a refurbished unit from a more well known and quality brand - the mid to higher level of the market.
I'm within the Consumer Electronics industry (as an extension of my IT consulting), and my 'bias' is for mid to higher level brands which have those all important quality aspects of higher optics, technologies, build quality and performance. Although I'm not in the photographic sector, I've spoken with manufacturers direct at the CES show as well as a few other industry/trade only events, and it's well known within the industry where the budget products are actually made and their quality levels. I'm sure yourself, as a photographer will know about the higher performing brands out there etc and going back to the OP's post, it sounds like the image quality that can be provided by a $50 camera will suffice - even though yourself and myself will know a nice DSLR from 3-4 years ago for more money will provide some excellent pictures.
Cheers, DtM!