Should I use my next paycheck to buy another bitaxe and double my hash rate, or stack more sats and wait to increase my mining setup later, considering I'm trying to decide between enhancing my mining farm to increase the odds of mining a block and focusing on stacking more sats?

Should I use my next paycheck to buy another bitaxe and double my hash rate, or stack more sats and wait to increase my mining setup later, considering I'm trying to decide between enhancing my mining farm to increase the odds of mining a block and focusing on stacking more sats?