Anything smaller may not attract larger investors or offer the economies of scale needed for profitability.Design Style: BTR developments often consist of attached townhomes, usually with features like garages and a more upscale design to appeal to renters looking for something between an apartment and a single-family home.Location Factors: The success of your development depends heavily on location.

Quote from @Peter Stewart: A lot of the answer depends on your income, how long it took you to save up that money, and what your risk tolerance is. 

It depends on the deal.

Development projects can vary from a 1-lot Single Family home to 20-acre subdivision, to a 4-acre commercial site, etc. 

The typical clients that seek out cost segregation studies include:Real estate companies that buy and sell multiple properties each year.Individuals with a portfolio containing investment properties including apartment buildings, multi-family homes and even single residences.Franchise owners with properties that are similar to one another such as assisted living facilities, storage facilities and golf courses.Business owners of hotels, food facilities, shopping centers, restaurants or manufacturing plants.It depends on the type of property, but generally 15-45% of the building’s costs can be classified into assets with a shorter life.

@Sufyan Minhasgoing to depend on the rules in individual buildings

It will depend on the quality you're looking for..

The ideal home price for you will depend on: 1) downpayment size 2) risk appetite, 3) preference for more cash flow or appreciation.Given our price points, our investors need to have 35-45K to start, on average.The typical cash-on-cash return on our properties net of loan payments, insurance, taxes, and property management fees is 6-8%.Ultimately, you can obtain financing from any lender, although we have partner lenders that can provide very competitive rates.

It depends on how long you plan on holding the property for.

Depending on how much you need to raise the rents to market, the other updates in the building that are needed, how quickly you can rent to market rents will all drive your decision.