Thrifty Inventors T-Shirts

"Dad can we stop pushing this backdrop and go on a real vacation?"

"Is this to make me feel bad for not getting you that laptop?"

"Young Frankenstein"

Deep in the heart of the RAND think tank, the world's greatest scientists would gather to brainstorm Batman's fight sounds.

"What's your project for the science fair, Arnold?"

"Brian's fine. He`s got his own coping mechanism."

Sport Utility Boot.

"Your imagination is running wild. That's not a tiny drone sent to spy on us. That's just a fly."

'And the best thing about this electric thermal underwear is, no batteries, it's solar!'

Your energy bill is enclosed. You might want to sit down.

'Because of the mess, 'Mr. Potato Salad-Head' never took off.'

'You raised the price of air to 50c!' 'Inflation.'

"We can speak freely now. I've encrypted the line."

"I'm taking your advice and saving my money!"

Jenkins took special pride in his new invention, the rubberband-powered runabout.

"I don't know...seems like budget cuts have gone pretty far this year."

'Margaret, what are we doing on this cruise ship that we couldn't have done at home, cheaper?'

"We didn’t have enough in the budget to replace you with a real robot."

"I know we said we would get you a laptop.. but this will have to do until business gets better."

Computerized Dollhouse.

World's cheapest car

"Let's start with a couple of glasses of water and if that goes well I'll order two coffees."

"Young man! You turn the gravity back on this instant!!"

'It's okay, they're with me.'

'Withdrawal symptoms.'

The Aerial Steam Carriage

"Years of penny-pinching really paid off. The price of copper just went up again."

"I've invented the wheel. We're going to be rich."

Martin hated dining alone – but loved the savings.

"I've been told to go through all our expenses...cut out any fat, get rid of any costly perks!"

Prehistoric son going "Baroooom...Barooom!" on dad's stone wheel

"I'm going on Dragons Den with this, the one-brush-toothbrush."

Children playing really hard at complex table football game

"We could have a Do-It-Yourself wedding! Your friends could do the cake and flowers, Uncle Jim could do the photos..."

'It keeps me sane!'