It does not. If you wish to include these you will need to add them on in the pledge manager once the campaign has completed.
Please check out Update #2. It has a very straightforward chart that should help you with this - thank you!
No. Only pledges of $5 or more will have access to the pledge manager.
No - but people wishing to completely late pledge and pre-order the game or expansion without backing at the $5 level will see a slight increase in prices.
Don't see the answer to your question? Ask the project creator directly.