You can't. It's supposed to be your Mafia members and not you.
no u can not do that
Click on their profile under "My Mafia" on the "Mafia" page, and hit declare war. It should be the first option from your right under their profile info.
Own all businesses in cuba
There is no single set that you need. Just make sure each of your mafia members has their own weapon, armor and vehicle. Buy/loot the best you can.
We all use our own inventories. But we need mafia members to use the stuff in the inventory. For example, a mafia member can only drive a car. So if you have 20 cars but you only have 10 mafia members, you'll only fight with 10 cars. :)
You have to own all the businesses in cuba
its a glitch
There is one business in Bangkok which gives out Pirates. You 've to own that business in order to get them.
Simply put, no. You can only take money out of your bank. I don't think you can rob someone in your own mafia either.
Either click the declare war icon on the fight list screen or go to their mafia wars profile. if war has not been started on the person in 16 hours then you see an option "declare war"
Your upkeep in Mafia Wars is the money it cost to own weapons such as a chain gun and also cars such as a town car. The upkeep is deducted from your cash flow which you get every 54 minutes to an hour.
Mutts allow for a +5 Robbing Defense boost. If you own properties this is helpful when you're attacked.