Using a cracked Plesk license key can lead to several risks and consequences, including:

The risks of a "crack"—ranging from total server compromise to legal liability—far exceed the monthly cost of a genuine license. For anyone serious about web hosting, a legitimate Plesk license is a fundamental investment in security and reliability.

To help find the best setup for your project, please let me know: What is your for server management? How many websites do you need to host simultaneously?