No
Equip arrows and then use poison.
It is possible. not sure why you'd want a million though...you can have infinite arrows with the summoned bow.
There's a bug that sometimes stops arrows stuck in your character from disappearing. At the moment, just ignore it, they will go away eventually.
No, only arrows are present then pickpocketing or looting.
Yes. Very inappropriate. It contains violence, blood, gore, arrows to the knee, and murder. (And the occasional harlot.)
No, you need Auriel's Bow, and the corrupted arrows provided by Serena, to block out the sun.
Destruction Spells.
you must hold down the attack button untill the arrow is drew back farther so the arrow will fly better.
No, there is a limited selection of people you can marry, you can only choose from amongst those.
only thing i can can think of is fire resistance but here's a tip if you have got dawnguard and have got auriels bow ask serana to put her blood on elven arrows and use the arrows with the bow (the arrows would be called blood cursed arrows) shoot it at the sun you will get an achievement and it will block out the sun so you just say bye to those weaknesses
I do not know specifically, but in general I think I can answer your question. In Skyrim, NPCs (like the guards) are programed to ALWAYS have certain weapons and clothes. In order to ensure that a guard never runs out of arrows or is missing his sword, etc., the weapons are in a hidden inventory. You, as the 'hero' cannot access the hidden inventory without using console commands (using a PC program to access the game data). This inventory is also often programed to 'refill' if items go missing. I don't know if that system works for arrows, but I'd be willing to bet it does. The only way to get 'free arrows' from those guards is (probably) to stand at the target and pick them off one by one.
there are so many weapons on the game of skyrim with different effects and purposes but deadric weapons are the strongest of the lot even with bows the deadric arrows and bow are the best ranged combo on the game but they can only be made from scratch or if your lucky and are a high enough level you will stumble across them one one of your many inventions.