Yes you can buy. Make your plans move, there is also no limits in buying as long as you have the money and you are willing and ready to risk money. Remember risk the amount you can afford to lose, so in the end you wont be disappointed, while you have invested, study and feed your brain lots of knowledge about what you are investing, inside or outside this forum.
If you will have to buy that amount lesser than 1 ETh, that's too small and although you can buy in cheaper amount it's not guaranteed earning higher profit with that amount. Maybe you will gain bigger value unless it's price rises at $2000 same with bitcoin value. As long as you patiently wait and there's possibility, then why not if we dreamed it; for it served as our inspirations of having bigger profit from small investments.
