If minor stains then simple soap washing will help. For worse situation use thinner to remove stains, follwed by hand scrub with detergetn.
Thrift stores are your best bet :)
old navy has a great selection of extended size jeans available.
If you wear a size two, you would probably wear about a 23x30 in mens jeans
34
Silver Jeans
Yes, they can, just try on a few sizes to see which fit best.
About 34w30l in mens size.. but the womens jeans are usually more comfortable so I'd stick with them
about a 38 waist
The LEVI'S 511 Skinny Extra Slim Mens Jeans are designed to fit a slim build.
You can find these jeans at Target and JC Pennys. hope this helps you.
orvis
The places to purchase size 36 jeans are many and varied. The best place to start would be Amazon. If you are on a tight budget, a good place to try would be eBay.