At the end of closing, the cash we got back limit a little bit our ability to repeat this process.We have over $200k of equity on our primary residence after paying off our Heloc.

If I misunderstood and she's only paying you 3 months and keeping the rest, if y'all sign a termination agreement, that should give you free and clear ability to look for another tenant immediately and through end of March while already having the income from those months.If she truly is willing to pay 3 months of rent to leave, going through eviction wouldn't do anything for you financially, however it would show up on her record so other landlords know (you took one for the team).There's definitely other creative options to work through this situation with the tenant if you want to send me a PM to spitball a few

Owning a mobile home should not affect your ability to buy a LTR from a lending perspective IMO.

If you live far away, professional property management is an extra expense you simply must incur to safeguard your investment.Experienced builder and property manager Rusty Meador notes, "No matter how good of a real estate deal you find, it is only as good as its ability to be managed well."

Such as a private backyard, the ability to have pets where many apartments don’t allow them.  

I'll answer your questions to the best of my ability, but I'm here to learn from the community.

I don't see the ability to make a profit in this market. 

it's just easier than the more advanced strategies...House hacking still takes significant due diligence, skill in analyzing the market and the property, time and effort to learn about tenant screening and property management, the ability to anticipate appreciation/depreciation trends, etc., etc., etc....and even with lots of skill and preparation, things will still go wrong (vacancy, plumbing leaks, bad tenants, etc.)

Will having a larger DTI (cash out & Rehab loan) affect my ability to get a cash out refi loan? 

I consider this forum my mastermind group and place high value on ability to reach out to experts.