Skyrim – walkthrough and progression.

You'll get tired of it; they don't give much in return. It's easier to find stronger mobs and visit them more often, especially since they are updated from time to time.

I wouldn't say it's a little. Five Atronachs + five summoned swords = one level of Conjuration, in the 50-70 range. For roughly the same number of Atronachs, if you kill them with fire arrows, you can get one level of Destruction.

That's immoral, who will protect the city? :) Unless it's in Markarth, where they attack after completing a certain quest, as certain people framed the main character.

Well, moral or not, completing many quests and side quests is immoral in itself :). And the rest of the ∞ guards can protect the city :D.

I know how to level Restoration and (apparently) Alteration well. In Alteration, there is a spell called "Equilibrium" that transfers health to magicka, and in Restoration, there is "Healing." In theory, you can level up both skills quite well with these transfers.

Exactly, I forgot to mention Restoration. The method should be effective, but I read in the spell table that Alteration doesn't develop this way :(. By the way, did you find this spell?

To reduce costs, it's useful to complete the quest for Azura's Star, but don't bring Azura's Star, instead go to the tavern in Winterhold and find a mage there. Completing this mage's quest will give you a black version of the star in your inventory, which is essentially an indestructible black soul gem.

Azura's Star is very good for recharging weapons. The fact that it can only hold one soul is disappointing. You can get tired of teleporting from the Dragon's Reach (or any other house with enchanting) to a dungeon for just one soul. Although, it's worth a try :).[/QUOTE]

It's not pointless. Especially interesting are those Daedric Princes, with whose servants you can fight.

Are you asking about finding Daedric hearts, right :)? Then here's where you can find them:
Mehrunes Dagon - the quest starts in the museum in Dungeons. After receiving Mehrunes' Razor, two servants attack us, each with one Daedric heart. There are two more servants in the temple of Mehrunes Dagon.
Azura - you can find out the location of the temple from the bartender at "The Drunken Huntsman" in Solitude. When restoring the broken star to the Black Star, you can fight three more Daedra servants.

You can also steal one heart from the Companions, and buy one from Arcadia. Hearts can be found in apothecary bags, in particular, I found one in Calixte's Museum of Oddities in Windhelm.

Based on my experience, you're right, but if the level scale relative to skills is not linear (although I haven't noticed any non-linearities), then it might not be the case.

It's non-linear. You can get level 2 by increasing skills three times, and for 51 - 15-20 increases already.

There are so many ingredients lying around in the fields of Skyrim that Alchemy=100 is probably not that difficult. But personally, I'm already tired of brewing potions.

There are a lot of ingredients, yes. But what's frustrating is that Alchemy is mostly leveled up by discovering new properties, not by brewing potions. That's why it gets boring :(. It's my least favorite skill.

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Oh yes, I remembered a way to make Lockpicking easier. When we get the Skeleton Key, we can take our time returning it :). Lockpicks won't be used, and we can easily pick a "Master" level lock. And then, when we're done "playing" with the key, we can return it.

I also suggest we discuss houses in Skyrim. You can buy five houses: in Whiterun - "Warm Hearth," in Markarth - "Vlindrel Hall," in Riften - "Honeyside," in Windhelm - Hjerim, and in Solitude - "High Hrothgar." You can also live in special rooms after becoming the leader of the Thieves Guild, the Dark Brotherhood, and the College of Winterhold, respectively. The Arch-Mage has an entire floor for knick-knacks :).