You need to gain the jarl's trust before you can be allowed to buy houses. Do the quest that her steward can give you (you may overhear the quest itself when you arrive in the castle, and can then ask him about it). Complete that quest, some time later you'll get a message about a follow up on that quest, complete that and you'll be able to get a quest from the jarl. Complete that quest, do 5 town quests (maybe other way around, I already had the 5 quest req done), and you'll be able to buy the house.
I thought about just giving myself the gold via console command but it wasn't too, too hard to gather it all. Mostly just spamming synths and looting every single corpse I came across/made. Would store most loot somewhere near the entrance of a cave/place, sprinting back and forth so I can keep myself mobile, and go back there after clearing place to load up and fast travel to town.
And smithing is great. Some improved items sell for a lot more than either item initially sold for. Like improving an orcish armor to epic lvl gave it nearly another 1k in base-price I think, as well as gave it like 20-30 more defense or something like that. About the only thing I might wind up cheating in is just getting more perks in the end since you can't normally get everything. Or just make another character and try out something else while getting skilled up via console. Sneak+bow makes things very easy, and those +% items I got early solidified it (+45% bow dmg is ~2 perks worth, muffled movement is a sneak perk on its own too), though with so little def from being crap like leather cuffs, helm, boots, I get killed quick if something rushes me and attacks fast (I'm almost lv30). Though most things either die in one shot or 2-3, bosses take a bit though, like those draugr bosses can get messy (sneak rarely keeps you safe with them). Bears have been annoying bastards in this game too lol, more so than dragons since they didn't seem to stagger often from arrows (got the arrow stagger perk), and they can maul you down quick. And they actually sound like bears this time around as they weren't terribly bear-like in oblivion. There's a little quest involving bear skins too, need 10 (and that npc really hates bears lol).
Another thing with arrows: you can lead enemies around by firing arrows at stuff while sneaked. They'll go check out the source of the sound, /poke it (literally, saw skeleton mobs reach out and poke), and look around some more before going passive. Hostile things will check it out, non-hostile will just stand there as if nothing happened, so you can find out if that npc you see inside a dungeon is friend/foe this way (or at least based on my one observation with the one-time sidekick).
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