@Keleisha Carter I appreciate you being more specific. Here is a gem that will help with estimation. If you contact the governing utility company and let them know your are a Buyer researching the utility cost on a specific property( Using the Address of course) they will share with you the monthly averages on the home for up to 2 years. This works excellent as a starting point of what a unit or home in a particular area will cost in terms of utlitility usage.
I personally believe that Short term rentals are a better bang for your buck if you want to keep cost low and still make a great profit. Although, Orlando's rental market is hot right now, we still have a pretty aggressive real estate retail economy and finding properties that cash flow $500+ a month can be challenging. As I am sure you have heard before, BRRR'ing will be the best situation for you making a profit, building your portfolio and staying within a reasonable budget. Remember, when you buy a property that needs work, you can really push the values by purchasing in great up and coming neighborhoods and renovating the property for new market values.
Lastly, The UCF area is great, but housing prices are moving up in that area based on its proximity to the school and the surrounding area. You will need to watch out for HOA's in the area and possible explore older homes that aren't regulated by and HOA or multiple people in dwelling rules. Research is going to be key in you figuring out what type of home is going to meet your revenue goals. If its about location for you, you will need to suck up some of your profit for location, but if profit is your main driving factor, then you should really explore STR and look at what you can really make with our booming tourism industry.