The CE Shop is a good overall resource for courses for pre-licensing, but there are a million of them and they all generally do the same thing.

I’d be interested on pre approval

Using a Self-Directed IRA (SDIRA) allows pre-tax dollars to grow tax-deferred in real estate, but limits flexibility due to IRS rules and potential UBIT on leveraged properties.Investing through a Roth IRA offers tax-free growth and no RMDs, but funding limits and restrictions apply.

I’m currently in the pre-approval process to purchase a 2-4 unit multi-family property.

If your loan funds on the Nov 15th, the pre-paid interest will be from the 15th to the end of the month.

They built a pole barn structure, air conditioned it, strung up some lights and trendy decor and host baby showers or weddings almost every weekend. 

I am usually against house hacking cause it's really detrimental for family formations, but again read the pre-req to house hacking.

Get pre-approved through them and then start sending them deals!

Specifically for taxes, its pretty straight forward with Baselane because you can tag all of your transactions with the pre defined categories for a Schedule E (the tax form you submit for rental property).

Just curious what is the long term plan as far as minimizing tax in later years as the account in pre-tax become huge?