How much cryptocurrency can I buy on Kraken?

As a cryptocurrency enthusiast, I'm curious to know about the purchasing limits on Kraken. Could you please elaborate on the specifics of the buying restrictions? I'm interested in understanding if there are any daily, weekly, or monthly limits for individual investors. Additionally, I'd like to know if these limits vary based on account verification levels or deposit methods. Lastly, I'm wondering if there are any special promotions or incentives for buying larger amounts of cryptocurrency on Kraken. Your insights would be greatly appreciated as I plan my crypto investments.