I’ve visited every other property I’ve considered in the past, so this is uncharted territory for me, and it feels a little out of my comfort zone.I’m considering putting it under contract sight unseen to lock it up, but I don’t want to make a rookie mistake here.I'm looking for some advice here.

This way, you’re still acquiring one property per year but growing your portfolio exponentially. ahh that's great advice!

Did you work with any real estate professionals (agents, lenders, etc.) that you'd recommend to others?

Have any advice?

If you're active in the market or have any advice, I’d be grateful to learn from your experience!

Thank you in advance for any and all advice :)

@Bradley Buxton makes a very good point to make sure to do your due diligence as you won't be an owner occupant like your in-laws.Last bit of advice: Because this is a friendly deal, you want to take your time to make sure you structure it in a way that maximizes tax and cashflow benefits for both parties. 

Your advice has been an invaluable resource! 

@Mike Grudzien thank you for the advice!

Did you work with any real estate professionals (agents, lenders, etc.) that you'd recommend to others?