Amex offers personalized Business Platinum bonuses up to 300,000 points

American Express is offering personalized welcome bonuses of up to 300,000 points for eligible Business Platinum card applicants, requiring a $20,000 spend within three months. This record-high offer is valued at up to $6,000, significantly offsetting the card's $895 annual fee. Applicants should consider the card's "one-time-per-card lifetime rule" when deciding to apply, weighing the current offer against potential future benefits.