Rome is beautiful city with lots of ancient history and unbelievable things to view. If you have not visited Rome yet, you must give a visit. Tourists from all parts of globe come here to know all about Rome. Rome is expensive city, you can easily pay € 80 per night for hostel room.
In order to stay within a limited budget Hotels in Rome is definitely a best option for your need as the services offered there are seemingly endless.
That said, if you do plan on changing accommodation during your trip, be sure to book (and confirm) your hotel well in advance since these tend to be expensive but heavily booked. Hotel prices tend to be cheaper outside of Rome's central area, but this also makes travelling to sites of interest less convenient. However, a budget traveller or backpacker may not be deterred by this arrangement.
The Colosseum, Roman Forum, Spanish Steps and Trevi Fountain are usually high on the itinerary list for travellers to Rome. A metro station and the Stazione Termini are located nearby, making it easier to travel to the area from other parts of the city. The neighbourhood also has a number of hotels for the convenience of those who wish to explore the area over a few days.
If you only have 48 hours to visit the eternal city it's better to book your hotel in Rome city centre so you will be able to walk everywhere.