The Runner must be able to pay all of the additional cost to steal at once. S/he cannot pay 3, gain 1 from , and then pay the rest of the cost.
If Order of Sol triggers mid-Sure Gamble, can I use it to steal an NAPD with only 3c in my current pool on access?
This principle would supposedly translate to any situation involving paying costs, not just the cost to steal NAPD Contract.
<a href="https://twitter.com/TheMadjai">@TheMadjai</a> No. You must pay all of the cost at once or not at all.— Lukas Litzsinger (@RukasuFox) <a href="https://twitter.com/RukasuFox/status/524268780625862657">October 20, 2014</a>