“I can buy a house with it if I choose.”
You must have an incredible credit limit
It’s not credit. Amex is a charge card. Just don’t ever fail to pay the charge. It’s like a 30 day charge capability based on your asset level and payment history and level of assets
Imagine putting aircraft fuel-ups on a credit card? 400 gallons of avgas at $5.00 a gallon! A few trips in a month can easily top $15K. One does not put that on layaway! You throw in hotels and meals and you have some Hugh and series bills.
Don't ever finance any expense or purchase of planes, boats, fuel, or maintenance on a line of credit. Too easy to destroy yourself.