While less than 10% of the mortgage industry offers 40-year mortgages, here's something to factor in: they often come in with a rate increase of 20-35 bps.Assume 35 bps.$300k mortgage at 7.25% (30-year): $2,046$300k mortgage at 7.6% (40-year): $1,996Technically, it lowers the monthly, but not by much once factoring in the rate adjustment.

This could help secure a higher LTV while you build STR rental history.

Compounding on one another sure that will have a big impact on the market but there are a lot of factors at play.

I think your “why” is an important factor to consider when asking was building your wealth worth it.

I just want some outside eyes to help me understand if this deal is what I should expect to find as I build my portfolio.I plan to buy and hold long term.

Additionally, are there any other factors I should be considering when purchasing a duplex or triplex?

Quote from @Kyle Carter: I want to buy an apartment building and rent it out to all section 8 tenants.

See, when building a portfolio, appreciation is key, and the #1 factor that will dictate things.

I have land with a house and plan to build a a house for me to live in soon there.

Build your credit.