I am not aware of any free services but my phone provider is cheap and has this functionality if you are somewhat tech savvy. 

Every time an applicant hands you a check (or you write a check), the bank account information in regards to account number and routing number is right there at the bottom of the check.I don't need to know credit card numbers but even if an applicant doesn't want to tell me their bank account name/number the first check I get from them I enter this information into their folder just in case I might find myself filing for a bank garnishment on them sometime in the future.Gail

Sure, they have to write up a new lease but that isn't worth $900. 

Auto-Owners will write really well in central, but hard to through underwriting (walk on water type business), Universal will do a great job just about anywhere in FL.  

He works with the loan officer who would assign the mortgage to an approved attorney (usually a friend) or he could tell them I am his attorney and it would come to me if I can be approved (write for a national title company, have malpractice etc) I order a title exam from third party title examiner.

For example Real Property Management charges a $200 fee to the tenant to write a lease on top of $49 per applicant.

Since you only intend to do one deal at a time (now) understand the job job of your mail piece: it's ONLY job should be to get the prospect to take the next action step, such as call you, write you, go to a website or landing page, etc.There are so many factors to consider. 500 mail pieces is statistically too small to really derive any actionable feedback.

"you never have to regret what you don't say or write"

As long as they are balanced (depending on your ideal mix), we will keep them forever, or 1031 to another bunch to use the tax write off as long as we can - then pass them to kids with step up basis when we kick the can.We use PM so it's paperwork, regular check in with PM, and once in a while city visit.

When the writing on the wall is "this is a great investment option" and people start flocking to it then it is time to pull back and watch the fun.