Here's a bit more in detail about how rates are calculated for DSCR loans:1.

If I choose the rental, then all income generated will be taxable income moving forward, because none will be off-set by the interest I could deduct.  

BiggerPockets also has a calculator to analyze deals, and I highly recommend you start this as soon as possible, even if you are not ready to buy.

For flips, calculate the after-repair value (ARV) and subtract purchase, rehab, holding, and selling costs.Pay attention to location, rental demand, and the property’s condition.

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.

Not all lenders are well-versed in these calculations.

BiggerPockets also has a calculator to analyze deals, and I highly recommend you start this as soon as possible, even if you are not ready to buy.

A good baseline is to calculate material costs (e.g., $300 for paint and supplies) and add a fair hourly rate for labor.

Consider starting small with house hacking a duplex or triplex, and use tools like the BiggerPockets Rental Property Calculator to analyze deals.Good luck!

@David Sam Cost segregation can benefit a property under $400K by accelerating depreciation to offset taxable income, especially if you qualify as a real estate professional or use the short-term rental loophole.