Glad we're all on the same page
Now, with regards to price, and whether one is "a good one" or not: pricing these days is pretty similar across the board, if you compare a few different retailers. Even just looking at Amazon and the first few hits in Google for "mac ram and ssd site:.au". That said, you may have a personal favourite online retailer for whatever reason, so you may consider buying with them even if they're a little more expensive than the overseas online store you've never heard of before.
With RAM, given that most of the reputable companies all carry lifetime warranties, (Corsair, Crucial, Kingston, etc), it pretty much doesn't matter what brand you go for. What might matter is where you get it from, and how that affects shipping time, how hard it would be to claim warranty, and so on. Buying from Amazon may be marginally cheaper, but is that enough to offset how long it'll take to get here or how annoying claiming warranty will be? That's your call.
SSD pricing is all pretty similar. Get a Samsung, and even if you don't think you need the extra capacity, get it anyway. I personally wouldn't be buying anything smaller than 256GB, even if was for my parents.
Hope this helps!