There is also some states with specific laws, such as in California you must offer at least one other method of payment that is neither cash or online payment.

Everyone seems to want some flashy techy whatever, do this online, do that mailer, get this site going, spend spend spend and hope hope hope something happens.....

My goal is to build a team online and irl to help with this new journey.

In my locality, persons are recruited to serve as testers for landlord racial discrimination by the local Fair Housing enforcement agency.

Looking at online calculators, a rough value of it is currently 155,000.

- but you can find them online by googling for them (if no better option).  

About 60k leads a month come through our clients sites in most every market in the US/Canada 100% online and it's a really consistent, but it does take some work and investment. 

Look at online reviews.  

For a new lease, I will need to create a state-specific one through some online entity. 

MLS will give you some, but you can look online to the City's website for the City owned real estate they have for sale, but those tend be up to highest bid.I wish there was a catch-all answer to this question, but there really isn't, because it depends on several factors - like what's your price range, what are you looking to do with the property?