Incalls for me are far more popular and I've never failed to break even - if I've got my advertising right.
What hours of the day do you work? If you work daytime, getting a hotel for day use is going to be your best bet. Most rooms are 9am-5pm or 10am-6pm and are usually a fraction of the price of a night booking. This means you can crack on from early doors, if checking in at 10 I'd expect to have bookings from 11am right through til 5pm.
Where are you advertising and what options are you using? On AW, I use the Tours function to advertise incall days - this is free if you're paying for any other option on AW including displaying your number. I also take Local Escort Search for the county/city the hotel is in, and depending on the location I might take a nearby county as well. For example if I'm working in Long Eaton, it's on the border of Nottinghamshire and Derbyshire, so I'd buy local escorts for both. I'll put Available Today on as soon as I've arrived. And of course pay to display my number. I make sure to check "Incalls" box on AW as well (something I forgot several times in my early days, resulting in bugger all business!)
I never take pre-bookings - all my bookings are on the day and most are short notice. So answering the phone or responding to texts quickly is vital - I check my phone after every booking and get guys to confirm their bookings at times I know I'll be able to answer their text.
Having a written appointments diary is essential for me on an incall day as otherwise I lose track of who I've booked in for what time.
If you're low on feedback, offer clients a small discount to place a booking via the AW system and commit to leaving feedback after the booking. (There's no way to enforce this of course, but I used to do this when I first started and I never had anyone take the discount and not leave feedback.)
Hope this helps x