your diet will depend completely on how cleanly you want to bulk. If you put on fat quickly then you will want to stick to low GI carbs like oatmeal, whole grains, ect. I see no problem with sandwiches an such, just make sure your getting good meats, and good breads. The expensive stuff tastes better anyway, and it will have less fillers, salts ect. Its reallly gonna come down to overall food intake, so make sure your meeting your numbers, usually 500-1000 cals over maint.

as for pre/post workout check out the how to bulk sticky. I like to do a small pre work out shake so I dont get bloated, usually 15g whey, 20-30g dex/malto. Then post i pound down atleast 40g whey, and 60g dex/malto. its up to you though, play with it an see what works for you.

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I don't do this for my family, my friends, women, accolades, pride, or ego. I do it for me and no one else, its just part of who I am.