Every now and then on the starting screen a parcel will drop out of the sky which if you tap on will allow you to watch a video that gives you bonuses that relate to upgrades.
Gold
Although there are different things to collect always make gold the priority when it is available. Gold can be used on several things including unlocking upgrades to your home.
Upgrades
Always look to use the gold you get to unlock upgrades to your home as these upgrades will boost your score multiplier and help you get one step nearer to unlocking a new area.
Various Gameplay Tips
Tom can't double jump, but he can move in mid air by just swiping in the desired direction.
Upgrades to your home boost your multiplayer score and help you get nearer to unlocking new areas.
You can use gold to buy vaults which offer plenty bonuses like extra gold and dynamite, but a free vault is available every eight hours.
Each character has a different special ability, Tom's magnet duration can be upgraded much higher, but Angela can upgrade her double bars duration far more. Upgrades take a while to gain, so choose a favorite character and stick with him.
Vaults
There is no need to worry about purchasing vaults as every 8 hours a free one becomes available which you can use.