Here is a link to the FNMA guidebook.

-Please share a link and/or pricing to check them out!

can't view the link you posted.

Here is their website: https://www.hometeamvr.com/

Google Drive is extremely helpful and links are easy to share.

Should the property garner no interest from their buyer list, their Realtor list, their social media posts, their offering on BP, LinkedIn, FB, various property investor websites, yard signs, etc. then they would probably be willing to share their fee.  

Is there any good websites or apps? 

Feel free to message me for more detail on cards or referral links.

In my area there is a great landlord/tenant handbook on the county website that is a great resource, perhaps your area has something similar and I'd get super familiar with that.

Since the account is linked to your mortgage, overspending can increase mortgage balances instead of paying them down.