Or let's say you need for vendor deposits and then some to start work. 

It is common for courts to award tenants triple damages and attorneys fees for technical defaults by landlords in areas like security deposit disputes or other common mistakes.

I would clarify but if allowed take the same deposit I do with a dog of 650

You can set up direct deposit so that your tenants money goes directly into your bank.

These are required:Rental AgreementSmoke Alarm / Carbon Monoxide AlarmMold & Mildew AddendumSafety AddendumSecurity Deposit Addendum + Notice of Security Deposit RightsMove-in Accounting (Portland)Condition at Move-in (Portland)If the property was built prior to 1978 you'll also need lead-based paint disclosures.

We'll pro-rate hold over days from their security deposit so the earlier they get out the more money they get back and we give them cash on the spot if they leave our unit completely empty and reasonably clean.

Expensesget taxes from county. look at current valuation and you should have a good guess at how much it will go up based on purchase price.Find out what expenses are paid by LLVerify which utilities are separately metered; get average winter/summer monthly costs from utility company for any 'house' accountsGet quote per door from your insurance agentGet a quote from your landscaper (find out what they pay)Get a dumpster quote if you don't have city trash binsFind out if there is a parking lot sewer feeFind out rental registration requirements and costs (can be both county and muni)Income:Get the rent roll, In the contract require that you get estoppels signed by tenants and current owner saying amount of current rent, security deposit held, past due balances, and spelling out any promises for additional work/upgrades (there shouldn't be any). 

In NJ I cannot accept a pet deposit and security deposit so I decided to add the monthly pet fee.   

It will outline rents paid, deposits and any advance rents like first and last.

By investing passively in a real estate syndication, you can earn two types of returns: cash flow and profit split.Cash flow returns are checks or direct deposits (typically on a monthly basis) from the time the deal closes until the asset is sold.