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

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.

I have come to the realization that my calculations are not as solid at I once thought.

I’ve been exploring tools like Google Sheet calculators that are coded for accuracy and speed, allowing individuals to focus more on their strategies, acquisitions, and capital raising.So here’s my question to you:How did you master underwriting multifamily deals?

Contributing to a Solo 401(k) or SEP-IRA can reduce taxable income, and Section 179 or bonus depreciation lets you deduct equipment costs upfront.

Understand the fees involved and calculate the total cost for an entire year of management so you can compare the different managers.

All the partners must agree to make the choice, and the partners must be able to figure their own taxable income without figuring the partnership's income.  

It may not be worth using an LLC on your first one.As for the calculations, just put the numbers in a spreadsheet and figure out which option costs you more.

@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.

Best advice is to learn from others and take calculated risks.