I would also purchase the property and not the LLC unless you are a seasoned investor with a good attorney.

Signing the lease demonstrates they agree to the terms and then you can hold them accountable.If you don't do this, then the person named on the lease and paying the rent could disappear and you would have no legal authority to charge the remaining three for unpaid rent.

They have a payments 3rd party website, but it's hard to find the link from their main website. 

Any tips or advice for getting started?

Brokers either get leads through a network of brokers in other disciplines or organic contacts.

When you are going through the approval process- we do request liquidity or proof of funds.

Just want to make sure it's ok to use the lease agreement since it says all rights reserved to bigger pockets.

Many of the people that come are members of Lifestyles Unlimited so they sometimes talk about upcoming events for members only, but the meeting is open to everyone and they share some excellent information. 

I'm not an attorney myself but I do have one combing through the fine print of the contract at the moment.

Congrats on graduating and the upcoming wedding!