By consistently adding value and actually bring some fresh/new ideas to BP STR forum. :) Seriously though the more you show up and add value, people realize you can help them out. 

As tenants have left we've been fixing up the apartments so that everything is working and is freshly painted and clean again.

SEO is more of a "brand recognition" method than a lead generation thing, it will pay off down the road but you'll have to be consistent for 1-2 years before you start to see results...

If you feel more comfortable having a lawyer review it, that is still a stronger starting point to save money since they are not starting fresh. 

I bought after reno but added brand new 5 Ton AC unit, dual sets of washer and dryers.Did you work with any real estate professionals (agents, lenders, etc.) that you'd recommend to others?

Any brand recommendations?

I see a lot of locks on the market, but would like to know if anyone has any recommendations or brands to avoid. 

Every area will have its own distinction....like NY/Boston/Chicago etc there may be A properties that are 100+ years old and there may also be brand new to market assets.

I want to drive by in April and see your sign up with your brand at the curb with your contact information.

And this is supposed to usher in a brand new day - buyers paying their agent a negotiated fee to represent them.