Quickbooks online is a great tool.

If there is any (R.E.I) from the UK, Bristol be sure to get in contact with me looking to network with like minded Investors in the area as well as online."

I joined BP the first year it went online, so not a Noob here.

SmartMove and MyRental give full checks on renters, while Zelle and PayPal are good for getting rent online.

I've never had to fill out a form online (and as the owner, I might be annoyed if I had to do that-just being honest).They let me know when a lease is coming up for renewal, if someone breaks their lease and once a new tenant is in place.

You can apply online and rarely speak to a person with a bank. 

While you’re already using a variety of online platforms, make sure your ads are optimized for the right audience.

Looking online and running numbers when you aren't looking at anything in real life will never give you the confidence to pull the trigger.

Did you get an actual quote or you took the numbers from an online source?

Finally once you have made the macro considerations then you can use the spreadsheets to analyze deals and scenarios which there are multiple templates online, or find an agent that will do that for you.