I'd like to put together professional proposals but don't know enough here. 

I did a light review on some of the promises and proposals this company made and there's no way my father would go for that.

Here’s the situation:Key Project Details:•Property Size (pre-renovation): 250 sq. meters (2500 sq. feet)•Purchase Price: 250,000 EUR (1,000 EUR/sq. meter)•Renovation Costs: 750 EUR/sq. meter (includes kitchen, appliances, quality furnishings)• Loan costs (during renovation and renting): 350 sq. meters (due to attic expansion)•Property Size (post-renovation): 350 sq. meters (due to attic expansion)•Post-Renovation Layout: 2 separate apartments•Airbnb Income (24 months): 2,500 EUR/month/apartment (= 5,000 EUR/month)• Other running costs: 600 EUR/month•Projected Sale Price (after 2-3 years): 850,000 EUR (approx. 2,500 EUR/sq. meter)•Closing Costs: Negligible in Tbilisi•Real Estate Agent’s Fee: Typically 3%, but negotiable based on who hires themFinancing Setup:•Property Purchase Financing: 100% bank financing at 5.9% interest (bank has even financed 150% to cover some renovation costs in the past)•Renovation Financing: Our friend is offering to finance 250,000 EUR in cash for the renovationsProposed Partnership Structure:•Work Involved (on our side): Full renovation (10-12 months to complete), furnishing, and property management through Airbnb until the sale (2-3 years)•Profit Split Proposal: 60% (us) / 40% (friend providing renovation financing)Questions for the Community:1.Does the proposed profit split (60/40) seem fair, given the work we would handle (renovation, furnishing, property management)?

Fiduciary responsibility could be in question if a deal closed and the apparent goal is proposed by some legal team that it was mostly done to not lose a large nonrefundable earnest money and/or to get a quick pop of ca$h on an Acquisition Fee.

In our city commission meetings, there are a ton of people (neighbors of proposed developments) advocating against new developments.

Start by crafting a clear and compelling investment proposal that highlights the property's potential, your investment strategy, and projected returns.

Most legal pubs (at least the adjudicated publishers in CA) don't require the proposed exec or admin to provide their mailing address.

I think if a prop is defeated, there should be a minimum number of years before it can be proposed again (I like 5 years).If it passes, jurisdictions that have laws to rent control single family units, that is currently not valid due to Costa Hawkins, will become valid. 

In what way do you propose?

I liked the idea proposed by @Justin Moy regarding offering it as an add on discounted service.