It takes about 7 extra days to receive funds or you can pay $3 and you'll receive it in 3 days.Good luck!

I always want to provide my clients with detailed explanations of options when buying or selling so they (with my guidance) can make informed decisions that will be the best option for the results they are seeking.I have never done a RE transaction with seller financing.

I have these below. https://www.kwikset.com/products/details/electronic-locks/910trl-zbc4-15-smt.aspx

This encourages them to pay the last month of rent and leave house clean so that they get their large deposit back.If they get behind or break the lease, this extra helps offset what they owe plus any damage or cleaning you have to take care of.It is a small percentage of the time that someone turns in a 30 day notice and leaves the place clean and undamaged to get their deposit back.

Of course it will probably never be perfectly 50/50, but do you think that’s a low estimation or high estimation for extra expenses on a property?

Having the extra rooms and bathroom seems like a waste since it's just the two of us right now so I was hoping to maybe make some money off of them if at all possible. 

On the BiggerPockets Rental Property Calculator there is a section known as Loan Detail.  

I like having some extra buffers and protection for a first time buy, in order to get myself oriented in the process.

Read this threads on partnering: How to Effectively Conduct Joint Venture Agreements as a Real Estate Investorhow-do-i-properly-construct-a-purchase-with-a-partnershiphttps://www.biggerpockets.com/forums/51/topics/591...Taking-on-partner-s-and-limiting-our-liabilitesQuestions-for-capital-partners/Real-estate-partnership-questions/And here is a diagram to help guide you on this quest - talk with @Scott Smith to get implementation details:

Without knowing the details.