@Marlia Stone
Hi Marlia,
I think turning any profit on a house hack would be great, considering it also covers most of your housing costs.
To the expenses question:
vacancy - I usually assume one month, or 8.33% cost for vacancy
repairs & maintenance - The rule of thumb that seems to be most popular is to estimate that you will spend 1% of the property value each year on maintenance. I think the most recent number I read was from 1 to 3% as an average for total upkeep costs (which would include CapEx). I use 1% for repairs/ordinary maintenance in my estimates.
CapEx/reserves - I also use 1% here. Assuming that maintenance cost less than 1% for the year, I would also add the remaining set-aside for maintenance to reserves at the end of the year. The idea here is that you will have money set aside when it's time for a major expense like roof replacement, AC/furnace replacement, etc.
taxes - make sure you apply for the homestead exemption in Philly. It knocks $45,000 off of your assessed value, which equates to about $650 is tax savings each year. That's a lot of money to me.
UTILITIES - are utilities separately metered at the property? If not, what does the lease say about who pays for what? Water and electricity can really add up.
Rental license - I think this is $55/year in Philly right now. Make sure you account for that and any other licenses/inspections that you may need to pay for.