Unlockable: Girl of the Month
Change your DS date on any month with the 1st. Example: 05/01(year doesn't matter) and you should have a special girl of that month in the shop. NOTE: You can only buy them once.

Hint: New Items
Change the system date to a different time or date to get new items in the shop. This works well for going back and getting items you missed or going forward to items you can't wait for (for example, Christmas).

Hint: 50 Coins Every Time
When you start just click credits and every time you watch the credits, you get 50 coins!

Hint: Don't Lose Your Money
If you lose money in hi-lo quickly press the mini-game button and click yes on “end mini game” and you won't lose your money. Note: Press this before they take your money.

Hint: Mr.______
Like The "Miss" things in shop where you put any month in and put it on the 1st, well, there is one for men too. Instead of putting the 1st, put the 15th. Just to say, I think Mr. August is pretty cool.
Example:
3/15/(put any year) =Mr.March
11/15/(put any year) = Mr.November

Hint: List of Words
Type these words for free coins. Each word can only be used once.
Common Words: baseball, billion, black, blue, book, boy, breakfast, brother, cash, cat, chat, cheerleader, cheese, chest, coin, cold, cool, cry, cute, dad, dinner, dog, dollar, eat, English, film, football, found, frankly, friendly, game, girl, green, gym, hair, happy, hate, homework, hot, ice, jacket, job, ketchup, lame, laugh, LOL, lost, love, lunch, math, military, mom, money, monkey, neat, number, old, pants, pizza, poor, pop, puppy, rain, red, blue, relish, sad, science, score, shirt, shot, sister, snack, snow, soccer, star, summer, sunny, tiger, tipsy, tired, treasure, video, white, winter, world, yellow, young
Uncommon Words: alligator, amazing, bar, bikini, boil, brilliant, chocolate, contribute, discover, dragon, drive, famous, fatal, forget, gift, giggle, goblin, handle, hidden, high, hug, infatuated, kangaroo, leader, like, lover, magazine, master, message, mister, natural, opera, persuade, pirate, princess, queen, religion, restroom, seven, sharp, skirt, spirit, spit, states, tease, thing, toilet, trek, turtle, united, vampire, vote, wizard
Rara Words: awesome, blam, enemy, enterprise, fantasy, glamorous, god, granny, kingdom, link, magnificent, mushroom, poker, python, stuff, sushi, wayforward, xylophone
Ultra Rare Words: blatherskite, cabbage, epoch, Amplitude, Antiquing, Baklava, Blatherskite, Bombardment, Bombastic, Cabbage, Cantankerous, Comatose, Doddering, Dressage, Emu, Epoch, Equinox, Fiddlesticks, Fisticuffs, Fortuitous, Genie, Goldilocks, Gorgon, Infidel, Isthmus, Jab, Larval, Magenta, Oxymoron, Planetarium, Scalawag, Skullduggery, Stenographer, Stingray, Undulate, Vegan, Wisenheimer

Hint: Hedging Your Bets
Just start a game of high-low (where you guess a number) and repeatedly pick #5. you will get one of the following results: if the number is 1 or 9 you gain nothing; if the number is 2 or 8 you gain five coins; if the number is 3 or 7 you gain 15 coins; if the number is 4 or 6 you gain 25 coins; if the number is 5 you gain 100 coins; if the number is 10 you lose 2 coins.

Just keep picking 5 even if you keep losing and you will be able to beat most of the odds (don't ask how) and start accruing money.