Shared Tents for alts?
No.
Multiple tent/houses locations?
If you mean Different maps depending on where you set tent, then yes. If you meant limitation of one tent, you can only have one. But you can have as many bases as you want.
Banking services accessable in every city/town?
Only in protected town's
Will tents get deleted if you dont login for some time?
Yes
Worldmap Fallout 1 + 2?
It's an Remake if you mean game grid, if you mean game location's, they are the ones from fallout 1+2 (Just not pure maps, they were remade)
Will a list of all perks, weapons and requirements for them be released to plan you chars?
Yes
Will Charisma be required to trade with npcs?
No.
Will there be mines or is mining only possible in random encs?
Only in random encounter's and random encounter caves.