Here’s the link: https://account.chase.com/investing/self-directedoffer
The Self-Directed Account doesn’t charge fees or commissions when you purchase most stocks/bonds/funds online. It will charge you if you use a representative to transact for you, so you should definitely do it yourself.
They do charge a $75 fee if you ever withdraw all of the money.
But that is more than offset by the bonus you receive if you transfer a significant amount of investments in.
You can see their fees here: https://www.jpmorgan.com/content/dam/jpm/global/documents/self-directed-fee-schedule.pdf
Another benefit of transferring investments in is that you may qualify for Chase Private Client as a result, which is a concierge banking service. https://www.chase.com/personal/checking/private-client
The current offer from JP Morgan is:
$50 bonus when you transfer in $5,000-$24,999
$150
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