With the force the wind can place on those walls, Topcons will not do it. With the sheathing in place you will not beat mother nature if the wind picks up, no matter how much time you spend bracing. It could be done using anchors as JBLC212 suggests but the amount of time to do it would be prohibitive with your budget. Removing the upper layer of sheathing would give you a fighting chance.
Lastly you have lost very little in material so far, so gasoline is not an answer.

Trust me, I know how discouraging it gets working alone.