Plant vs undead is an NFT game. Right now the only way to earn is to claim the free land and buy the sunflower mama and saplings.
100LE is 1PVU
1PVU = $22.95
1 Sun Flower mama = 200LE
1 Small Pot = 50LE
(200 + 50 - 850 = 600)
You will earn 600LE or 6 PVU in 6 days.
Saplings can be drop by watering plants below 100 water count.
Let's just say you got all 5 saplings by watering other players' plants.
5 Saplings = free
5 Small pot = 250
(1250 - 250 = 1000)
You will earn 750LE or 7.5 PVU in 3 days.
You also have a daily quest of 15 of 15 for watering other players' plants and once done it's 50LE.
Let's just say that in 6 days doing the quest, you will 300 LE or 3 PVU.
Let us some it up all for a six days computation.
Sunflower mama - 600LE
10 Saplings - 2000LE
Daily Quest - 300 LE
2900LE or 29 PVU.
Potential earnings in 6 days is:
29PVU x $22.95 = $645.25
If I were you start now by researching the plantvsundead NFT game and earn some PVU.