im making an orc one handed warrior with a shield and am level 6 right now and definitely want to take part in crafting. what is a good level to start choosing smithing and enchanting perks. also im am very new to both of these skills. any pointers? im gonna go read the skyrim wiki after i post this. thanks

Well if you want uber gear, start now. Just buy leather and leather strips and make a load of leather bracers to boost your smithing.
Or buy/steal/find animal skins and turn them to leather and repeat above. The "iron daggers" technique as listed in the wiki is actually a bit harder as there is more leather to be had cheaper and easier.

I didn't take any perks in smithing until I was able to take arcane smithing because I hate not being able to improve magical items. My character is at level 50 something and I haven't taken a single Enchanting perk though I intend to at some point. My advice take the perks when you want to. No one here knows your play style better then you

I strongly suggest you don't power level them. Enchant things from looted soul gems. Disenchant loot. Go out on soul gathering missions (you'll pick up some leather along the way). Make yourself some new gear when you can. Go out on mining missions. I found this method far more enjoyable than banging it all out at one go. Take the perks whenever you feel like. I'd take the smithing perks early on because of the character you're playing; you'll want to craft the best you can for your current level.

should i disenchant all magic items i find or is that a waste?

You can only disenchant an item if you don't know the enchant on it. Also, the more expensive the item is, the more progress you'll gain in Enchanting, so if you have two items with the same enchant on, disenchant the most expensive of the two.

thanks. this all will get me off to a good start.

Your mileage may vary, but what I'm kind of doing on one of my characters is this - I was doing 2-handed weapons and heavy armor, so like the first 5 levels, I perked those skills . . . but then I reached a point where I couldn't level either of those two skills, because the skill levels were not high enough (e.g. maybe 2-Handed was level 25 or 30, and I needed to be level 40 before any additional two-handed perk would unlock, and same situation with heavy armor.

So, if you reach a level where you *can't* spend a perk on one of your two or three "preferred" skills because none of them are high enough level, toss it into smithing or enchanting.

Also, if you reach a point where you feel the enemies are kind of getting too tough, and you'd like to do more damage or have more armor to help you survive, well, that's a great time to skill up enchanting 10 or 20 levels, to get a couple character levels, and perk up smithing, then forge yourself some slightly better armor/weapons and improve them at the workbench/grindstone.