Trying to Make This Campaign as Big as I Can

Touched on this a bit in my last post on this thread: https://stmforum.com/forum/showthread.php?48359-Can-I-Make-a-Profitable-Offer-Work-on-Voluum-DSP/page2 but the short version is that I have taken a 12% positive ROI campaign from $100 daily spend, to $300, to $500, and now $1k

Upped the budget to $500 per day 12 days ago. Ran into a bit of a snag as I was split testing landers, yet somehow one of the landers got erased from my server (zero clue how that happened) and I did not catch it for three days. So with everything working properly, the numbers look like this:

Revenue: $3300
Sp ...