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A flat fee, also referred to as a flat rate or a linear rate, refers to a pricing structure that charges a single fixed fee for a service, regardless of usage. Rarely, it may refer to a rate that does not vary with usage or time of use. Another term used is "flate", a hybrid of "flat" and "rate".
American Telecommunications companies commonly offer a flat rate to residential customers for local telephone calls. However, a regular rate or Message Rate is advantageous for those who only make a few short calls per month. Flat rates were rare outside the USA and Canada until about 2005, but have since become widespread in Europe for both local and long distance calls and are now also available for mobile phone services, both for traditional GSM/UMTS voice calls and for Mobile VoIP.
Most VoIP services are effectively flat-rate telephony services, since only the broadband internet fees must be paid for PC-to-PC calls, and the calls themselves are free. Some PC-to-telephone services, such as SkypeOut offer flat rates for national calls to landlines.
For Internet service providers, flat rate is access to the Internet at all hours and days of the year (linear rate) and for all customers of the telco operator (universal) at a fixed and cheap tariff.
Flat rate is common in broadband access to the Internet in the USA and many other countries.
A charge tariff is a class of linear rate, different from the flat rate, where the user is charged by the uploads and downloads (data transfers). Some GPRS / data UMTS access to the Internet in some countries of Europe has no flat rate pricing, following the traditional "metered mentality". Because of this, users prefer using fixed lines (with narrow or broadband access) to connect to the Internet.
A wavy rate is not a linear rate, because the Internet surfer pays the monthly fixed price to use the connection only during a certain range of hours of the day (i.e. only in the morning or, more typically, only at night).
A flat rate for electricity is different from that for other services. An electric utility that charges a flat rate for electricity does not charge different rates based upon the demand that the customer places on the system. A customer pays the same amount whether they use the electricity in bursts during mid-day, when demand and the utility's costs are highest, or if they spread it out over the entire day. However, if the customer uses a different amount of electricity, they are charged a higher or lower amount. Residential customers and small businesses are usually charged a flat rate, though not the same rate per kilowatt-hour. A special type of electricity meter, a time of use meter, is required to charge a non-flat rate. Time of use meters can lower a customer's electricity bill, if they use electricity mostly during off-peak hours. Some utilities will allow a customer to change to a time of use meter, but they charge for the cost of the meter and installation.
In real estate, "flat rate" is an alternative, nontraditional full service listing where compensation to the listing agent is not based on a percentage of the selling price but instead is a fixed dollar amount that is typically paid at closing. The rate is generally less than a gross 6% commission, resulting in a lowered cost of selling real estate. "Flat rate" is different from "flat fee" in several ways: i) it is generally substantially more than a "flat fee" rate; ii) it generally represents a full service listing as opposed to a "flat fee" limited service listing; and iii) it is usually paid at closing, as opposed to a "flat fee", which is usually paid when the listing agreement is executed.
In most parts of the world regular users of public transport, especially commuters, make use of weekly, monthly or yearly season tickets that allow unlimited travel for a fixed fee. In some countries year passes are available for the entire national railway network (e.g. the Bahncard100 in Germany for about €3000 and the Oesterreich Card offered by the Austrian Federal Railways). Some, such as the Eurail Pass, are intended for foreigners, in order to encourage tourism.
Road users are normally charged a combination of fixed and variable fees, in the form of vehicle duty and fuel duty. Motorway tolls in some countries (Switzerland, Austria, Czech Republic, Slovenia) are paid by purchasing weekly, monthly or annual stickers attached to the windscreen.
In dealing with the shipping of parcels and documents, a "flat rate for international deliveries of packet size #1" would mean that the same shipping charge (for example US$ 15.00) would be applicable to all packets of this size, regardless of their designated destination (country of recipient), and regardless of the quantity of their contents, i.e. whether they contained one sheet of paper or were filled to the maximum.
Flat rate is a pricing scheme whereby the customer pays a fixed price for a service regardless of how long the worker takes to carry out the service. Flat rate manuals are based on timed studies of the typical time taken for each type of service. Flat rate helps provide a uniform pricing menu for service work and helps establish the worth of the performance of a particular job.
The benefit to the customer is that if a worker takes longer than this, the cost does not rise.
The benefit to the worker is that it incentivises the worker to learn how to do the work more efficiently.
It can be difficult to compare prices between hourly-paid and flat-rate services, and this sometimes causes rejection of flat rate shops over hourly ones.