We put a coded lockbox on the door so they can always get in.

These are professionals with additional training and a stricter code of ethics.

However, there are tax code changes every year.

In some areas the FMR is for a whole county in other areas its by zip code. 

(For example, explain in your listing description or a message to the guest that you will email a door code at 9 AM EST on the day of check-in.)Vrbo’s actionsIf a guest contacts us within 72 hours of their check-in time because you didn’t provide information critical to their stay, we may take the following actions:Depending on the issue, we will either provide the necessary information or contact you for a resolution so the guest can proceed with their stay.If we’re unable to resolve the issue or reach you, we’ll cancel the booking, refund the guest, and help the guest find somewhere else to stay.

@Saurabh Kukreja we don't recommend investing via zip codes - too broad of an area.We've mapped out all of Metro Detroit and categorized Cities & Neighborhoods by Class A, B, C, & D.We take assisting investors very seriously, just read below:Recommend you first figure out the property Class you want to invest in, THEN figure out the corresponding location to invest in.If you apply Class A assumptions to a Class B or C purchase, your expectations won’t be met and it may be a financial disaster.If you buy/renovate a Class A property in Class D area, what quality of tenant will you get?

IF anyone has the link for that training and the discount code, let me know please.   

I will say the cheapest suburbs I mentioned have an average selling price of 200k--depending on the specific zip code, it might be as high as 400k (I don't know off the top of my head). 

. - Accounting, not mentioned, but make sure you can confidently run the trust accounting and security deposit which is compliant with state code. - VAs, I don't think this is necessary for 30 doors, but depends on how much availability you have and how time consuming these properties will be.

.- Inspectors: definitely make sure everything is to code.