Is there a month-to-month option?

If you are skilled in each of the areas above, and you have enough in reserves to cover the costs of when things do not go as planned, then you can likely attract money from private money lenders who want to get a return on their money and they see lending to you as a low risk way of earning a better return than in the other passive investing options they have. 

Would a DSCR loan be a better option than a hard money loan for this project?

I did a lot of research on options.

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fun comps and see if cashflows. if need help on financing, more than happy to discuss your options

Quote from @Samuel Pavlovcik: @Nicolas Tow Your Architect is correct that it sounds like the only option for you would be to obtain a Zoning Map Amendment to change to RT3.5 or higher.

Quote from @Jimmy Chao: I am weighing some options to help my younger brother buying his first primary with a fixer.

We take your info and we let Lenders battle for the deal offering their best options.

The fact that you evaluated whether to sell or do a cash-out refi shows you’re playing a long game and keeping your options open.