In my humble opinion, because of the risk analysis that Wolves are likely to do (as you point out), it'll likely be impossible for Arsenal to buy Cunha at a reasonable (< 50M, in my opinion) price. To be clear, that's not me saying don't buy him - if Arsenal do a cost-benefit analysis of their own and think that having Cunha increases our chances by enough, it can be worth it - but if we buy him, we absolutely have to either a) win the title, or b) sell him (or someone else - Martinelli?) on for even more money.
In my humble opinion, because of the risk analysis that Wolves are likely to do (as you point out), it'll likely be impossible for Arsenal to buy Cunha at a reasonable (< 50M, in my opinion) price. To be clear, that's not me saying don't buy him - if Arsenal do a cost-benefit analysis of their own and think that having Cunha increases our chances by enough, it can be worth it - but if we buy him, we absolutely have to either a) win the title, or b) sell him (or someone else - Martinelli?) on for even more money.