Even after you have removed all obstacles, the material world is such a place that there will still be a problem. So that’s why you need the protection of the Lord.
Vaisnavas are sustaining us in our spiritual life and without them it becomes so difficult.
It is said that mantras, philosophy and visiting holy places will not work in Kali Yuga to purify the impure heart. Only the Lord’s holy name will do it.
The service we do today is the seed for a greater service tomorrow. That is the secret of Bhakti, the yoga of devotion.