If your willing to do so, you can live in the casita and then rent out the main home and have your tenant pay the majority/all of the mortgage (depending on what type of deal you find obviously). 

How do you plan on finding your deals?

While it might feel like an extra charge to tenants, these packages often provide value that indirectly benefits the property owner as well—like reduced maintenance calls or ensuring the property is better protected.In my experience managing a large portfolio of properties, these fees are becoming more common due to the thin margins in property management.

What I recall from Aaron's deals was it wasn't about finding ever larger seller financed deals, but keeping the old seller as essentially a PML....keeping you from constantly looking for new funding when you already have someone that agreed to fund you essentially. 

Consult a CPA to ensure compliance with tax regulations and explore strategies that align with your goals, such as providing for your mom while managing tax implications effectively.This post does not create a CPA-Client relationship.

And for networking events with agents  - Under the Forums tab, there's an Events & Meetups section where you can submit Houston or your specific zipcode and find some.

Mortgage recasting is a great option for homeowners who:Have received a windfall, such as a bonus, inheritance, or proceeds from selling another property.Want to lower their monthly payments without extending their loan term or going through the hassle of refinancing.Are satisfied with their current interest rate and loan terms.How to Get StartedIf you’re considering mortgage recasting, here are the steps to take:Contact Your Lender: Ask if they offer mortgage recasting and confirm your loan’s eligibility.Determine the Lump Sum Amount: Decide how much you can afford to put toward your principal.Calculate Potential Savings: Use an online mortgage calculator or consult with your lender to estimate your new monthly payment and total savings.Submit the Request: Once you’ve made the lump sum payment, your lender will process the recasting and provide a new payment schedule.Final ThoughtsMortgage recasting can be a powerful tool for homeowners looking to reduce their monthly payments and save on interest without the cost and complexity of refinancing.

As others have stated, you have not provided enough information to determine whether this is a good deal or not.

Then there’s fraud or misrepresentation, where borrowers inflate project values or provide false documentation.

Hopefully, you find it helpful and qualifies us to assist you with your goals:)---------------------------------------------------------------------------------------------------Recommend you first figure out the property Class you want to invest in, THEN figure out the corresponding location to invest in.Property Class will typically dictate the Class of tenant you get, which greatly IMPACTS rental income stability and property maintenance/damage by tenants.If you apply Class A assumptions to a Class B or C purchase, your expectations won’t be met and it may be a financial disaster.If you buy/renovate a property in Class D area to Class A standards, what quality of tenant will you get?