car lease, how much can I write off for business

How much of it can I write off? What about gas, insurance, repairs etc? I can't find any indepth info on this anywhere

in general, any expenses incur to gain income can be written off.
If you use your car 50% of the time to do business, only half of the expenses can be written off.

And I'm sure you are aware, tho many aren't.. "written off" doesn't mean you will get ALL that money back.

Depending upon what portion of your car is eligible, I believe the max is $700 + tax per mo.

http://www.cra-arc.gc.ca/tax/busines...vehicle-e.html

Depends if you have a sole-proprietorship, corporation or LLC. Also depends who actually owns the car. Talk to an accountant. Don't be frugal when it comes to planning your finances. It'll cost you more in the long run.