False credit cards, fake names, big smiles, no shame.

These are the fundamentals of day-to-day life as dine-and-dash scammers.

While others limit luxuries and work all week to pay the bills, a select few make a mockery of their efforts.

Why stump up for a three-course meal when you can charge it back to the restaurant?

Why put your hand in your pocket when you can make a hotel pay for your stay?

Camera Icon Elmar's in the Valley blew the whistle on the couple after falling victim to a dine and dash. Credit: Facebook

Unfortunately for thieves, social media has made it harder to earn a dishonest living.

One of Perth’s serial dine-and-dashers knows this. She has suggested as much on Facebook.

As manipulative and persuasive as her victims say she can be in the flesh, she seems equally as foolish and naive online.

If you were smart about it, you would not contact restaurateurs and threaten them with bad reviews because they shared security photos. You would not be so easily goaded into replying to almost any criticism of your appearance.

And above all else, you would make sure your fake Facebook account did not contain your real name in the link.

Lois Lynn, Hope Lang, Louise Lang, Emma Davis, Ella Bone — they all lead to Lois Loder.

Given her penchant for aliases, it is only fair to give her a nickname. How about Lois “Free” Loder?

Elmar’s in the Valley posted CCTV images on Facebook on Monday morning, featuring Ms Loder and her male companion.

The Henley Brook venue said the couple had left without paying their $248.50 bill.

The post seemed to strike a chord with people, some who could only daydream about dropping that much money on a Saturday afternoon feast.

And feast is no exaggeration.

Camera Icon The didn't pay for a meal from Terrazza Cafe in Applecross either Credit: Facebook.

At Elmar’s they started with a couple of cocktails, a soup of the day and an antipasti platter.

The mains — barramundi and vegetarian pasta — were chased by more cocktails, a dessert platter and a bottle of chenin blanc.

As Bistro Bellavista manager Alfredo Chiella noted, these are not people who are just desperate for a bit of sustenance.

Mr Chiella said he was targeted in February when they racked up a relatively modest bill of $135.

“Knowing that everywhere has a camera and your face can go on social media and everyone can track you down — that would be completely embarrassing,” Mr Chiella said. “It’s not worth losing your reputation.”

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The tactics of Ms Loder and her companion seem well-practised.

They will strike up a conversation and ask questions, perhaps to endear themselves to staff.

The man will go outside to smoke cigarettes during the course of the meal.

When they have had their fill, he will leave for one more cigarette. Ms Loder will join him and they will disappear in a puff of smoke.

But they can be forced to cough up the money. Terrazza Cafe and Restaurant got its money back a week after they left without paying.

Camera Icon Police are investigating a host of complaints from restaurants about the couple. Credit: Facebook / Terrazza Cafe Applecross.

That might have been because it got on the front foot on the night of the dine and dash, posting clear pictures on Facebook.

The pair have also left unpaid bills at hotels across Perth.

Velimir Vlah owns the Ocean View Motel in North Beach, where he said Ms Loder booked a room for three nights using a false credit card.

“She stayed two nights and on the third day about 3pm she was leaving the premises and she hit my wife’s car,” Mr Vlah said. She quickly said to my wife , ‘Oh I have to go pick up the kids. I’ll be back shortly’.

“My wife believed her because it was that time of day and she had another night booked. She never came back.”

Mr Vlah said he was left about $1000 out of pocket.

Joan DellaValle runs the Ebony and Ivory Hair and Beauty Salon in the city.

Ms Loder spent more than four hours in the salon in June last year, receiving a colour and extensions valued at $1125. She said her boyfriend would pay, but he never turned up. Like other business owners, Ms DellaValle filed a police report but does not know if anything came of it. Unlike most, she does not see much point in putting the bill runners behind bars.

“It’s like it’s turned into a disease ,” she said. They need serious help.”