Cudos to you for actually trying to do research BEFORE you buy any animal. Don’t fear asking questions here, you won’t get flamed. And you’re not an idiot, you’re ignorant. That’s not the same thing as stupid. Ignorant just means you don’t have knowledge about a subject, that can be fixed through education. Stupid, well, as Ron White says, you can’t fix stupid.
A morph is what we in the reptile hobby call a (visual) genetic mutation. MorphMarket calls them traits. This is coming from a hobbyist, not a geneticist, so bear with me on the terms: A normal (wild type) ball python basically has two pigments, yellow and black. The black part of a ball python just has the black pigment. The brown part of the ball python has a mix of yellow and black pigment. One of the very first ball python morphs to be discovered is Albino. In ball pythons Albino means it’s missing the black pigmentation. So where the black would normally be, shows up as white and where the brown would normally be shows up as yellow. An Albino looks like a yellow and white snake. A short time later the Axanthic ball python was discovered. In ball pythons Axanthic means it’s missing the yellow pigmentation. So where the black would normally be is still black but where the brown would normally be shows up as a very light black, or silver (gray). An Axanthic looks black and silver (or gray). Albino and Axanthic are two examples of morphs or traits as MorphMarket calls them. Through selective breeding, breeders were able to combine those two morphs in one ball python. It was lacking both black and yellow pigments and basically looked white. This combination of two or more morphs or traits is commonly called a combo in the hobby. Some combos people gave new names, which sometimes is more of a marketing ploy. The combo of Albino and Axanthic in ball pythons was given the specific name Snow, because it looked pure as snow and it was cute to call it a Snow ball python. There are over 200 different ball python morphs that have been discovered over the decades and when you start combining them you get millions of different combos. So that explains what the hobby terms “morph” and “combo” are. There you go, a little less ignorant. 
As far as the genetics go, well that’s another explainer all together. In ball pythons morphs come in three different categories: Dominant, Incomplete Dominant (some people INCORRECTLY call these Co-dominant) and Recessive. For now I’ll just say Dominant and Incomplete Dominant morphs are very easy to create in offspring and Recessive morphs are more difficult (time intensive) to create. Because of that, ball pythons with Recessive trait(s) tend to cost more than ones with just Dominant or Incomplete Dominant trait(s). There are MANY YouTube videos explaining ball python genetics. Find a few and dive in. Different content creators explain it a little differently, but still correctly, so don’t give up if you don’t understand from watching just one. The really good ones use drawings or props to explain it. It can be explained here in words, but it’s more difficult than in videos. Maybe someone will give it a shot, but not me, at least not right now.
Oh and whoever told you certain morphs have certain (negative) personalities is full of beans. There is no connection between a morph and personality. For the most part, the morphs generally just change the color or pattern, nothing to do with personality. I say “most part” because there is a Scaleless Head morph that can generate a totally scaleless BP. And the Spider morph (and some of its related morphs) comes with a “physical malformation in the inner ear rather” that causes a “wobble”, or balance issues. And some known combos can generate big eyes or tiny eyes. And some combos are outright lethal to the BP.
Everyone has their favorite morph(s) and combos of those morphs. I personally love the Dreamsicle combo which has the two traits Lavender Albino and Piebald. Throw in a little Enchi and BAM, gorgeous, at least to me.
I fully encourage you to do as much research in advance and definitely get your enclosure setup and fine tuned BEFORE you get an animal, I know it’s hard, but it’s right. There are MANY ball python specific channels on YouTube from people that have been keeping, breeding and creating content for years. Those are the ones to watch. Unfortunately, there are also fly-by-night knuckleheads putting ball python content out on YouTube that aren’t giving the best guidance. You should be able to determine the difference.
Don’t be afraid to buy from a (reputable) MorphMarket breeder just because it would need to be shipped. Most shipping is done overnight to minimize travel time and the sellers know to monitor the weather and take appropriate action (heat packs or cold packs) as necessary.
And don’t be afraid to ask questions here. Folks here absolutely LOVE to educate without judgement.
. You will be getting advice soon! 
