Start with a ceiling and a year
Pick a figure the household would not resent paying over twelve months, and write it down before you look at anything priced. A year is the right window because it is long enough to average out a short term and short enough that nobody is guessing about their life. Households that skip this step end up buying whatever the first order page suggested and discovering the real total on the third purchase. Households that do it have a number to test every later decision against, which is the only thing that makes those decisions quick.
The unit of cost is a simultaneous screen
Nothing here is priced per person, per television or per room. It is priced per line, and one line carries one screen playing at any given moment. That makes the household budget a simple multiplication: lines, times the cost of whatever length you buy. The whole of the planning problem is therefore getting the number of lines right, because everything else on the bill follows it without argument. A household with four televisions and one viewing habit is a one-line household. A household with two televisions that both run at eight o'clock is a two-line household, whatever the room count says. [The walk-round that produces that number](/devices.php) is a five-minute job.
The timetable is cheaper than the hardware
Before buying a second line, look at when the overlap actually happens rather than whether it could. Plenty of households have one genuine clash: a forty-minute stretch when someone wants the football in the bedroom while the living room has something else on. If that clash is negotiable, it is worth a conversation, because the alternative costs the price of a whole second line for the year. Some families move one viewer to on-demand during the clash and the problem evaporates. Others discover the clash is exactly the thing they are buying television for, and then the second line is money well spent rather than money leaked.
Where household budgets quietly overrun
Two patterns account for most of it. The first is buying a line for a screen that has never once run at the same time as another, usually a guest room or a rarely opened laptop, because it felt tidier to give it its own. The second is buying for a viewer who says they will watch and then does not, which is common when a setup is bought partly as a present. Both are avoidable by making the first purchase describe the household as it is rather than as it might become. Adding is easy later; unpicking is not, because nothing paid for comes back.
The one place households underspend
The opposite mistake is rarer and more annoying. A household buys a single line, two people discover they were both planning to watch different things at the same time every evening, and the line spends a month knocking one of them off. That is not a fault and no setting will soften it. If two named people in your house have different appointment viewing on the same evenings, budget for two lines from the start rather than testing whether they can share. The test is unpleasant to live through and always produces the same answer.
Stagger the buying, then bring it together
A household needing three lines does not have to buy three long terms in one week. Buy the essential screen on the length you actually want, and put the secondary screens on shorter lengths to begin with. The cash is spread, and the shorter terms give you a natural review point. At the next renewal you can bring the whole household onto one length and one date if you want a single yearly payment, or deliberately keep them apart if the household would rather pay smaller amounts more often. Both are defensible; what is not defensible is ending up with three unrelated dates by accident. [How the five lengths compare](/plans.php) is the other half of that decision.
Budget for the hardware that changes under you
Screens get replaced, and some replacements cost you time rather than money. An app on a new television takes the same details and is running in minutes. A MAG box is the one to plan around, because the subscription is registered to that individual box and a replacement has to be re-registered at our end. If the household is buying hardware this year, it is worth knowing which of your screens carries that constraint before somebody upgrades the living room in the January sales.
Name the person who holds the details
Every multi-line household eventually has an evening where a television is reset and nobody can find the sign-in details. That evening costs nothing in money and a great deal in goodwill. Put the details for every line in one place the household can reach without a phone call, label each one with the room it belongs to, and name a person who is responsible for renewals. In shared flats, write down who pays for what as well, because a line bought jointly and remembered differently by four people is the single most common source of trouble in a shared house.
When the honest answer is to wait
If the arithmetic comes out above the ceiling you wrote down, the right move is usually not a longer term to make the monthly figure look better. It is to buy fewer lines for now. One line on a short length, used properly for a month, tells you more about your household than another hour of planning will. The second line can be bought the day the clash proves itself. Nothing about ordering later is penalised, and a household that has actually watched something for a month makes a far better decision than one working from a list of rooms.
A budget you can write on one line
Lines needed, times the price of the length you chose, plus anything you already know is coming later in the year. That is the whole figure, and if it sits under the ceiling you set at the start, the ordering itself takes a couple of minutes. If it sits above, take a line out rather than a term length down. When you are ready, [what happens between the order and the first evening](/how-it-works.php) is set out step by step, and [the three worked examples](/worked-examples.php) run the counting through households that look like most of the ones who write in.
