It is easy to underestimate the timeline.It is easy to underestimate loan costs.

Make your bank stand out by ensuring FAST same day loan processing with better terms.If I owned BiggerPockets I would act on this IMMEDIATELY because it’s all about speed and execution in business. 

Credit pulls for the same type of loan within a short window (usually 14-45 days) are treated as one inquiry, so your score should be fine.

If you’re looking to finance a rental purchase, a DSCR loan could be an option, as it focuses more on the property's income rather than your personal credit score.In the meantime, you can get your current property rent ready while also working on improving your credit.

Conventional loan with a 20% down payment.

If you ever need insights on financing options for rental properties, including DSCR loans to scale your portfolio, I’d be happy to help.

This could be an opportunity to add value by offering to help with clearing or relocating those items as part of any potential agreement.Why This Could Be a Good Move for YouYou see long-term potential in the property, especially with the large lot and development possibilities (even if those are years down the line).As the current tenants, you have the advantage of a direct relationship with the landlord and familiarity with the property, reducing competition and risk.This could be a chance to lock in a property that you might otherwise lose if it hit the open market, especially in today’s competitive environment.Challenges to ConsiderIf the landlord is emotionally tied to the property or reliant on rental income, they may be reluctant to sell.Financing could be tricky, especially with today’s interest rates and the gap between the current rent and what a conventional loan might cost.The development potential you’re interested in is likely a long-term play, which means the property could be financially tight in the short term, especially if you’re only breaking even or slightly negative on cash flow.Structuring a Potential DealTo make this feasible, you’ll likely need to explore creative financing options that align with both your financial capacity and the landlord’s goals.Seller Financing: Propose a deal where the landlord acts as the lender, allowing you to make monthly payments directly to them.

If you have any loan questions feel free to reach out. 

I was able to secure $27k from my parents as a direct non interest family loan and $8k from our savings.

I would look at the DSCR loan as the first option.By the way, I suspect you are going to be disappointed by any refi appraisals   ADUs typically appraise poorly   JADUs can lower the property value Vs having the space as part of the primary unit.