Hi Pepsi.
If you're after a snuggly hamster, then I agree with the others and say go for a hybrid. Though it is possible to tame a robo, they are by nature extremely fast and flighty, and if you're getting it from a pet shop the likelihood is it will be quite hard to tame.
On the other hand, I've found that when you get a hybrid, you never know what side of the coin they're on until you've had them a little while. By which I mean, some are lovely, and some are evil. xD
My little Toddy is the sweetest little hamster you will ever meet. He has never bitten me, instead he licks. :L He loves his snuggles and will lick the tip of your nose if you kiss him, and when he's out running free in my room, he comes running back when I call his name. Tamest hammie EVER.
Meanwhile. xD My recently passed on Marley was a demon in white fluff. It wasn't fear, distress or nervousness that made him bite, he was completely comfortable with his home and felt safe being handled. He never screeched or flipped on his back, he would just wear a frowny face and try to get you if you touched him. He just didn't like it. Or, he didn't like us. He bit me so many times I can't keep track, and when he wanted a chunk of you, his three-leggedness didn't hold him back!
You hear a lot about aggressive hybrids, but then you also hear of the lovely ones. I wouldn't swap my Toddy for anything in the world.
I may be taking a leap in the dark here, but I've found that the hybrids who most definitely
look like true hybrids (complete mix of DNA) with their coat colours and body/head shapes, or those hybrids who seem to be more on the Campbells side, are more... unpredictable, and often the ones that randomly attack you with no motive.
The ones that seem to have a lot of Winter white characteristics seem to be more docile and tamable.
My Todd looks far more WW that he does Campbells. As was his brother. They have the coat and shape, and they turn completely white in winter, and both were absolutely lovely. Plus, working in a pet shop I can see the difference. A cobby little sapphire looking one may be sweet, but it's red eyed argente styled sibling will come flying at you with teeth bared!
That was a bit of long post, got a bit carried away... But anyhoo. xD I would say go for a hybrid, but ask the shop assistant if you can hold or pet them. You may walk out with a little darling.
As for the bin, it depends on what the dimensions are. 80 litres would be fine if it's a lower bin, because that means that those litres go into length and width.
You'll want a length of at least 70cm, more if you can find a bigger one.
Oh, and food-wise, it depends on what species you go for. If you take on a hybrid, because of the risk of diabetes you will want to give them a feed that is completely without added sugars, and low in natural sugars to avoid bringing it on. My guys have always used SupaHamster Harvest Dwarf, which is good for dwarfs and nice and simple. A robo can eat this too, especially as the little seeds and pieces are ideal for tiny hammies. But robos don't have the proneness to diabetes, so they can eat what Syrians eat, including the standard SuperHamster instead of the dwarf. You could also feed Harry Hamster, or JR Farm if you buy online?