MattIRA sells and owner finances the property for 200k and gets 30k down payment.

Know that every long term lender will require a survey and if something comes up on it when you are trying to sell or refi, you could get stuck in hard money without an easy or quick way to get out.Is there a pre-payment penalty?

Gave me the monthly payment and I checked it against a mortgage calculator and it's exactly what that said. 

Overcoming Common Financing HurdlesMortgage brokers excel at tackling challenges that often derail new investors:Low Down Payments: Brokers can find lenders offering low or no-down-payment loans, ideal for new investors with limited capital.Complex Income Streams: If you’re self-employed or have variable income, brokers can identify lenders that accept alternative documentation.Competitive Rates: Brokers have the leverage to negotiate better rates and fees, saving you thousands over the life of your loan.Pro Tip: Communicate your investment goals clearly with your broker so they can tailor their search to your needs, whether it’s a short-term fix-and-flip loan or a long-term rental property mortgage.3.

I had specifically asked for numbers including mortgage payments and they emailed to me.

Maybe a better question would have been if you know how much money you have for a down payment on a property? 

Instead of moving into another single-family home, consider house hacking a duplex or triplex, this allows you to use low down payment loans (FHA, conventional) and offset your mortgage with rental income, accelerating your path to financial freedom.

There's no reason to provide details, though I do let people know if anyone asks that we do not accept bulk up-front rent payments or anything like that because I absolutely do not want a prospective tenant to think that someone else swooped in with a bunch of cash last minute.

Have you looked into the Turn Key Method?

Still use paper method for mileage logs.Tried QuickBooks several years ago but it was more complicated and I did not need the bells and whistles.