If you are playing a version linked to a Ninja Kiwi account, using hacks can result in a permanent ban from their servers and leaderboards.
Invest in any economy-boosting towers or upgrades as early as possible to snowball your cash flow for the late-game waves. Final Verdict
Many sites offering "unlimited money hacks" are fronts for malware. Always use a reputable antivirus.
SAS TD is built on strategy. Having infinite money removes the "puzzle" element, often making the game boring after just a few minutes. A Better Alternative: High-Tier Strategy